805455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2575

約数の個数: 24

約数和(自身を含む): 1596192

約数和(自身を除く): 790737

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 2557, 7671, 12785, 17899, 23013, 38355, 53697, 89495, 115065, 161091, 268485, 805455]

約数ペア:

[(1, 805455), (3, 268485), (5, 161091), (7, 115065), (9, 89495), (15, 53697), (21, 38355), (35, 23013), (45, 17899), (63, 12785), (105, 7671), (315, 2557)]