28919205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{91807}}^1$

素因数の和:91825

約数の個数: 24

約数和(自身を含む): 57288192

約数和(自身を除く): 28368987

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 91807, 275421, 459035, 642649, 826263, 1377105, 1927947, 3213245, 4131315, 5783841, 9639735, 28919205]

約数ペア:

[(1, 28919205), (3, 9639735), (5, 5783841), (7, 4131315), (9, 3213245), (15, 1927947), (21, 1377105), (35, 826263), (45, 642649), (63, 459035), (105, 275421), (315, 91807)]