82421715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 143963136

約数和(自身を除く): 61541421

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 361, 465, 491, 589, 1083, 1473, 1767, 1805, 2455, 2945, 5415, 7365, 8835, 9329, 11191, 15221, 27987, 33573, 45663, 46645, 55955, 76105, 139935, 167865, 177251, 228315, 289199, 531753, 867597, 886255, 1445995, 2658765, 4337985, 5494781, 16484343, 27473905, 82421715]

約数ペア:

[(1, 82421715), (3, 27473905), (5, 16484343), (15, 5494781), (19, 4337985), (31, 2658765), (57, 1445995), (93, 886255), (95, 867597), (155, 531753), (285, 289199), (361, 228315), (465, 177251), (491, 167865), (589, 139935), (1083, 76105), (1473, 55955), (1767, 46645), (1805, 45663), (2455, 33573), (2945, 27987), (5415, 15221), (7365, 11191), (8835, 9329)]