81517212

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107827}}^1$

素因数の和:107847

約数の個数: 48

約数和(自身を含む): 241534720

約数和(自身を除く): 160017508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 107827, 215654, 323481, 431308, 646962, 754789, 970443, 1293924, 1509578, 1940886, 2264367, 2911329, 3019156, 3881772, 4528734, 5822658, 6793101, 9057468, 11645316, 13586202, 20379303, 27172404, 40758606, 81517212]

約数ペア:

[(1, 81517212), (2, 40758606), (3, 27172404), (4, 20379303), (6, 13586202), (7, 11645316), (9, 9057468), (12, 6793101), (14, 5822658), (18, 4528734), (21, 3881772), (27, 3019156), (28, 2911329), (36, 2264367), (42, 1940886), (54, 1509578), (63, 1293924), (84, 970443), (108, 754789), (126, 646962), (189, 431308), (252, 323481), (378, 215654), (756, 107827)]