81506502

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 232187904

約数和(自身を除く): 150681402

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 31, 33, 42, 49, 62, 63, 66, 77, 93, 98, 99, 126, 147, 154, 186, 198, 217, 231, 271, 279, 294, 341, 434, 441, 462, 539, 542, 558, 651, 682, 693, 813, 882, 1023, 1078, 1302, 1386, 1519, 1617, 1626, 1897, 1953, 2046, 2387, 2439, 2981, 3038, 3069, 3234, 3794, 3906, 4557, 4774, 4851, 4878, 5691, 5962, 6138, 7161, 8401, 8943, 9114, 9702, 11382, 13279, 13671, 14322, 16709, 16802, 17073, 17886, 20867, 21483, 25203, 26558, 26829, 27342, 33418, 34146, 39837, 41734, 42966, 50127, 50406, 53658, 58807, 62601, 75609, 79674, 92411, 100254, 117614, 119511, 125202, 146069, 150381, 151218, 176421, 184822, 187803, 239022, 277233, 292138, 300762, 352842, 375606, 411649, 438207, 529263, 554466, 646877, 823298, 831699, 876414, 1058526, 1234947, 1293754, 1314621, 1663398, 1940631, 2469894, 2629242, 3704841, 3881262, 4528139, 5821893, 7409682, 9056278, 11643786, 13584417, 27168834, 40753251, 81506502]

約数ペア:

[(1, 81506502), (2, 40753251), (3, 27168834), (6, 13584417), (7, 11643786), (9, 9056278), (11, 7409682), (14, 5821893), (18, 4528139), (21, 3881262), (22, 3704841), (31, 2629242), (33, 2469894), (42, 1940631), (49, 1663398), (62, 1314621), (63, 1293754), (66, 1234947), (77, 1058526), (93, 876414), (98, 831699), (99, 823298), (126, 646877), (147, 554466), (154, 529263), (186, 438207), (198, 411649), (217, 375606), (231, 352842), (271, 300762), (279, 292138), (294, 277233), (341, 239022), (434, 187803), (441, 184822), (462, 176421), (539, 151218), (542, 150381), (558, 146069), (651, 125202), (682, 119511), (693, 117614), (813, 100254), (882, 92411), (1023, 79674), (1078, 75609), (1302, 62601), (1386, 58807), (1519, 53658), (1617, 50406), (1626, 50127), (1897, 42966), (1953, 41734), (2046, 39837), (2387, 34146), (2439, 33418), (2981, 27342), (3038, 26829), (3069, 26558), (3234, 25203), (3794, 21483), (3906, 20867), (4557, 17886), (4774, 17073), (4851, 16802), (4878, 16709), (5691, 14322), (5962, 13671), (6138, 13279), (7161, 11382), (8401, 9702), (8943, 9114)]