25216515

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 49658400

約数和(自身を除く): 24441885

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 81, 87, 95, 113, 135, 145, 171, 261, 285, 339, 405, 435, 513, 551, 565, 783, 855, 1017, 1305, 1539, 1653, 1695, 2147, 2349, 2565, 2755, 3051, 3277, 3915, 4959, 5085, 6441, 7695, 8265, 9153, 9831, 10735, 11745, 14877, 15255, 16385, 19323, 24795, 29493, 32205, 44631, 45765, 49155, 57969, 62263, 74385, 88479, 96615, 147465, 173907, 186789, 223155, 265437, 289845, 311315, 442395, 560367, 869535, 933945, 1327185, 1681101, 2801835, 5043303, 8405505, 25216515]

約数ペア:

[(1, 25216515), (3, 8405505), (5, 5043303), (9, 2801835), (15, 1681101), (19, 1327185), (27, 933945), (29, 869535), (45, 560367), (57, 442395), (81, 311315), (87, 289845), (95, 265437), (113, 223155), (135, 186789), (145, 173907), (171, 147465), (261, 96615), (285, 88479), (339, 74385), (405, 62263), (435, 57969), (513, 49155), (551, 45765), (565, 44631), (783, 32205), (855, 29493), (1017, 24795), (1305, 19323), (1539, 16385), (1653, 15255), (1695, 14877), (2147, 11745), (2349, 10735), (2565, 9831), (2755, 9153), (3051, 8265), (3277, 7695), (3915, 6441), (4959, 5085)]