31117149

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 56033280

約数和(自身を除く): 24916131

約数列:

[1, 3, 7, 9, 21, 27, 31, 47, 63, 93, 113, 141, 189, 217, 279, 329, 339, 423, 651, 791, 837, 987, 1017, 1269, 1457, 1953, 2373, 2961, 3051, 3503, 4371, 5311, 5859, 7119, 8883, 10199, 10509, 13113, 15933, 21357, 24521, 30597, 31527, 37177, 39339, 47799, 73563, 91791, 94581, 111531, 143397, 164641, 220689, 275373, 334593, 493923, 662067, 1003779, 1152487, 1481769, 3457461, 4445307, 10372383, 31117149]

約数ペア:

[(1, 31117149), (3, 10372383), (7, 4445307), (9, 3457461), (21, 1481769), (27, 1152487), (31, 1003779), (47, 662067), (63, 493923), (93, 334593), (113, 275373), (141, 220689), (189, 164641), (217, 143397), (279, 111531), (329, 94581), (339, 91791), (423, 73563), (651, 47799), (791, 39339), (837, 37177), (987, 31527), (1017, 30597), (1269, 24521), (1457, 21357), (1953, 15933), (2373, 13113), (2961, 10509), (3051, 10199), (3503, 8883), (4371, 7119), (5311, 5859)]