31371795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 68769792

約数和(自身を除く): 37397997

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 47, 63, 65, 91, 105, 117, 141, 163, 195, 235, 273, 315, 329, 423, 455, 489, 585, 611, 705, 815, 819, 987, 1141, 1365, 1467, 1645, 1833, 2115, 2119, 2445, 2961, 3055, 3423, 4095, 4277, 4935, 5499, 5705, 6357, 7335, 7661, 9165, 10269, 10595, 12831, 14805, 14833, 17115, 19071, 21385, 22983, 27495, 31785, 38305, 38493, 44499, 51345, 53627, 64155, 68949, 74165, 95355, 99593, 114915, 133497, 160881, 192465, 222495, 268135, 298779, 344745, 482643, 497965, 667485, 697151, 804405, 896337, 1493895, 2091453, 2413215, 3485755, 4481685, 6274359, 10457265, 31371795]

約数ペア:

[(1, 31371795), (3, 10457265), (5, 6274359), (7, 4481685), (9, 3485755), (13, 2413215), (15, 2091453), (21, 1493895), (35, 896337), (39, 804405), (45, 697151), (47, 667485), (63, 497965), (65, 482643), (91, 344745), (105, 298779), (117, 268135), (141, 222495), (163, 192465), (195, 160881), (235, 133497), (273, 114915), (315, 99593), (329, 95355), (423, 74165), (455, 68949), (489, 64155), (585, 53627), (611, 51345), (705, 44499), (815, 38493), (819, 38305), (987, 31785), (1141, 27495), (1365, 22983), (1467, 21385), (1645, 19071), (1833, 17115), (2115, 14833), (2119, 14805), (2445, 12831), (2961, 10595), (3055, 10269), (3423, 9165), (4095, 7661), (4277, 7335), (4935, 6357), (5499, 5705)]