51127587

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 89137152

約数和(自身を除く): 38009565

約数列:

[1, 3, 7, 9, 21, 31, 47, 63, 93, 141, 217, 279, 329, 423, 557, 651, 987, 1457, 1671, 1953, 2961, 3899, 4371, 5013, 10199, 11697, 13113, 17267, 26179, 30597, 35091, 51801, 78537, 91791, 120869, 155403, 183253, 235611, 362607, 549759, 811549, 1087821, 1649277, 2434647, 5680843, 7303941, 17042529, 51127587]

約数ペア:

[(1, 51127587), (3, 17042529), (7, 7303941), (9, 5680843), (21, 2434647), (31, 1649277), (47, 1087821), (63, 811549), (93, 549759), (141, 362607), (217, 235611), (279, 183253), (329, 155403), (423, 120869), (557, 91791), (651, 78537), (987, 51801), (1457, 35091), (1671, 30597), (1953, 26179), (2961, 17267), (3899, 13113), (4371, 11697), (5013, 10199)]