201613545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640043}}^1$

素因数の和:640061

約数の個数: 24

約数和(自身を含む): 399387456

約数和(自身を除く): 197773911

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640043, 1920129, 3200215, 4480301, 5760387, 9600645, 13440903, 22401505, 28801935, 40322709, 67204515, 201613545]

約数ペア:

[(1, 201613545), (3, 67204515), (5, 40322709), (7, 28801935), (9, 22401505), (15, 13440903), (21, 9600645), (35, 5760387), (45, 4480301), (63, 3200215), (105, 1920129), (315, 640043)]