28277655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 53406720

約数和(自身を除く): 25129065

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 79, 105, 147, 237, 245, 395, 487, 553, 735, 1185, 1461, 1659, 2435, 2765, 3409, 3871, 7305, 8295, 10227, 11613, 17045, 19355, 23863, 38473, 51135, 58065, 71589, 115419, 119315, 192365, 269311, 357945, 577095, 807933, 1346555, 1885177, 4039665, 5655531, 9425885, 28277655]

約数ペア:

[(1, 28277655), (3, 9425885), (5, 5655531), (7, 4039665), (15, 1885177), (21, 1346555), (35, 807933), (49, 577095), (79, 357945), (105, 269311), (147, 192365), (237, 119315), (245, 115419), (395, 71589), (487, 58065), (553, 51135), (735, 38473), (1185, 23863), (1461, 19355), (1659, 17045), (2435, 11613), (2765, 10227), (3409, 8295), (3871, 7305)]