253970294403

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1\times {\mathrm{190607}}^1$

素因数の和:191631

約数の個数: 32

約数和(自身を含む): 393195331584

約数和(自身を除く): 139225037181

約数列:

[1, 3, 7, 21, 67, 201, 469, 947, 1407, 2841, 6629, 19887, 63449, 190347, 190607, 444143, 571821, 1332429, 1334249, 4002747, 12770669, 38312007, 89394683, 180504829, 268184049, 541514487, 1263533803, 3790601409, 12093823543, 36281470629, 84656764801, 253970294403]

約数ペア:

[(1, 253970294403), (3, 84656764801), (7, 36281470629), (21, 12093823543), (67, 3790601409), (201, 1263533803), (469, 541514487), (947, 268184049), (1407, 180504829), (2841, 89394683), (6629, 38312007), (19887, 12770669), (63449, 4002747), (190347, 1334249), (190607, 1332429), (444143, 571821)]