15016865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 5304415

約数列:

[1, 5, 17, 31, 41, 85, 139, 155, 205, 527, 695, 697, 1271, 2363, 2635, 3485, 4309, 5699, 6355, 11815, 21545, 21607, 28495, 73253, 96883, 108035, 176669, 366265, 484415, 883345, 3003373, 15016865]

約数ペア:

[(1, 15016865), (5, 3003373), (17, 883345), (31, 484415), (41, 366265), (85, 176669), (139, 108035), (155, 96883), (205, 73253), (527, 28495), (695, 21607), (697, 21545), (1271, 11815), (2363, 6355), (2635, 5699), (3485, 4309)]