25457679

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 43747200

約数和(自身を除く): 18289521

約数列:

[1, 3, 9, 13, 27, 29, 39, 41, 61, 87, 117, 123, 183, 261, 351, 369, 377, 533, 549, 783, 793, 1107, 1131, 1189, 1599, 1647, 1769, 2379, 2501, 3393, 3567, 4797, 5307, 7137, 7503, 10179, 10701, 14391, 15457, 15921, 21411, 22509, 22997, 32103, 32513, 46371, 47763, 67527, 68991, 72529, 97539, 139113, 206973, 217587, 292617, 417339, 620919, 652761, 877851, 942877, 1958283, 2828631, 8485893, 25457679]

約数ペア:

[(1, 25457679), (3, 8485893), (9, 2828631), (13, 1958283), (27, 942877), (29, 877851), (39, 652761), (41, 620919), (61, 417339), (87, 292617), (117, 217587), (123, 206973), (183, 139113), (261, 97539), (351, 72529), (369, 68991), (377, 67527), (533, 47763), (549, 46371), (783, 32513), (793, 32103), (1107, 22997), (1131, 22509), (1189, 21411), (1599, 15921), (1647, 15457), (1769, 14391), (2379, 10701), (2501, 10179), (3393, 7503), (3567, 7137), (4797, 5307)]