28518705

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3217}}^1$

素因数の和:3425

約数の個数: 24

約数和(自身を含む): 49698792

約数和(自身を除く): 21180087

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 3217, 8865, 9651, 16085, 28953, 48255, 144765, 633749, 1901247, 3168745, 5703741, 9506235, 28518705]

約数ペア:

[(1, 28518705), (3, 9506235), (5, 5703741), (9, 3168745), (15, 1901247), (45, 633749), (197, 144765), (591, 48255), (985, 28953), (1773, 16085), (2955, 9651), (3217, 8865)]