1261892541

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 2322432000

約数和(自身を除く): 1060539459

約数列:

[1, 3, 7, 13, 17, 21, 31, 39, 49, 51, 91, 93, 119, 147, 179, 217, 221, 273, 343, 357, 403, 527, 537, 637, 651, 663, 833, 1029, 1209, 1253, 1519, 1547, 1581, 1911, 2327, 2499, 2821, 3043, 3689, 3759, 4459, 4557, 4641, 5549, 5831, 6851, 6981, 8463, 8771, 9129, 10633, 10829, 11067, 13377, 16289, 16647, 17493, 19747, 20553, 21301, 25823, 26313, 31899, 32487, 38843, 39559, 47957, 48867, 59241, 61397, 63903, 72137, 75803, 77469, 94333, 114023, 116529, 118677, 138229, 143871, 149107, 180761, 184191, 216411, 227409, 271901, 276913, 282999, 335699, 342069, 414687, 447321, 504959, 542283, 660331, 798161, 815703, 830739, 1007097, 1043749, 1226329, 1514877, 1903307, 1938391, 1980993, 2349893, 2394483, 3131247, 3534713, 3678987, 4622317, 5709921, 5815173, 7049679, 8584303, 10604139, 13568737, 13866951, 24742991, 25752909, 32356219, 40706211, 60090121, 74228973, 97068657, 180270363, 420630847, 1261892541]

約数ペア:

[(1, 1261892541), (3, 420630847), (7, 180270363), (13, 97068657), (17, 74228973), (21, 60090121), (31, 40706211), (39, 32356219), (49, 25752909), (51, 24742991), (91, 13866951), (93, 13568737), (119, 10604139), (147, 8584303), (179, 7049679), (217, 5815173), (221, 5709921), (273, 4622317), (343, 3678987), (357, 3534713), (403, 3131247), (527, 2394483), (537, 2349893), (637, 1980993), (651, 1938391), (663, 1903307), (833, 1514877), (1029, 1226329), (1209, 1043749), (1253, 1007097), (1519, 830739), (1547, 815703), (1581, 798161), (1911, 660331), (2327, 542283), (2499, 504959), (2821, 447321), (3043, 414687), (3689, 342069), (3759, 335699), (4459, 282999), (4557, 276913), (4641, 271901), (5549, 227409), (5831, 216411), (6851, 184191), (6981, 180761), (8463, 149107), (8771, 143871), (9129, 138229), (10633, 118677), (10829, 116529), (11067, 114023), (13377, 94333), (16289, 77469), (16647, 75803), (17493, 72137), (19747, 63903), (20553, 61397), (21301, 59241), (25823, 48867), (26313, 47957), (31899, 39559), (32487, 38843)]