2788045305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{266671}}^1$

素因数の和:266737

約数の個数: 32

約数和(自身を含む): 4838496768

約数和(自身を除く): 2050451463

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 10455, 266671, 800013, 1333355, 4000065, 4533407, 10933511, 13600221, 22667035, 32800533, 54667555, 68001105, 164002665, 185869687, 557609061, 929348435, 2788045305]

約数ペア:

[(1, 2788045305), (3, 929348435), (5, 557609061), (15, 185869687), (17, 164002665), (41, 68001105), (51, 54667555), (85, 32800533), (123, 22667035), (205, 13600221), (255, 10933511), (615, 4533407), (697, 4000065), (2091, 1333355), (3485, 800013), (10455, 266671)]