28298475

素因数分解:

$3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:916

約数の個数: 36

約数和(自身を含む): 51048816

約数和(自身を除く): 22750341

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 173, 225, 519, 727, 865, 1557, 2181, 2595, 3635, 4325, 6543, 7785, 10905, 12975, 18175, 32715, 38925, 54525, 125771, 163575, 377313, 628855, 1131939, 1886565, 3144275, 5659695, 9432825, 28298475]

約数ペア:

[(1, 28298475), (3, 9432825), (5, 5659695), (9, 3144275), (15, 1886565), (25, 1131939), (45, 628855), (75, 377313), (173, 163575), (225, 125771), (519, 54525), (727, 38925), (865, 32715), (1557, 18175), (2181, 12975), (2595, 10905), (3635, 7785), (4325, 6543)]