31304637

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 59845632

約数和(自身を除く): 28540995

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 81, 91, 93, 117, 137, 189, 217, 273, 279, 351, 403, 411, 567, 651, 819, 837, 959, 1053, 1209, 1233, 1781, 1953, 2457, 2511, 2821, 2877, 3627, 3699, 4247, 5343, 5859, 7371, 8463, 8631, 10881, 11097, 12467, 12741, 16029, 17577, 25389, 25893, 29729, 32643, 37401, 38223, 48087, 55211, 76167, 77679, 89187, 112203, 114669, 144261, 165633, 228501, 267561, 336609, 344007, 386477, 496899, 802683, 1009827, 1159431, 1490697, 2408049, 3478293, 4472091, 10434879, 31304637]

約数ペア:

[(1, 31304637), (3, 10434879), (7, 4472091), (9, 3478293), (13, 2408049), (21, 1490697), (27, 1159431), (31, 1009827), (39, 802683), (63, 496899), (81, 386477), (91, 344007), (93, 336609), (117, 267561), (137, 228501), (189, 165633), (217, 144261), (273, 114669), (279, 112203), (351, 89187), (403, 77679), (411, 76167), (567, 55211), (651, 48087), (819, 38223), (837, 37401), (959, 32643), (1053, 29729), (1209, 25893), (1233, 25389), (1781, 17577), (1953, 16029), (2457, 12741), (2511, 12467), (2821, 11097), (2877, 10881), (3627, 8631), (3699, 8463), (4247, 7371), (5343, 5859)]