28252665

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4271}}^1$

素因数の和:4299

約数の個数: 48

約数和(自身を含む): 58440960

約数和(自身を除く): 30188295

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4271, 6615, 12813, 21355, 29897, 38439, 64065, 89691, 115317, 149485, 192195, 209279, 269073, 448455, 576585, 627837, 807219, 1046395, 1345365, 1883511, 3139185, 4036095, 5650533, 9417555, 28252665]

約数ペア:

[(1, 28252665), (3, 9417555), (5, 5650533), (7, 4036095), (9, 3139185), (15, 1883511), (21, 1345365), (27, 1046395), (35, 807219), (45, 627837), (49, 576585), (63, 448455), (105, 269073), (135, 209279), (147, 192195), (189, 149485), (245, 115317), (315, 89691), (441, 64065), (735, 38439), (945, 29897), (1323, 21355), (2205, 12813), (4271, 6615)]