219986145

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70849}}^1$

素因数の和:70886

約数の個数: 32

約数和(自身を含む): 408096000

約数和(自身を除く): 188109855

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 70849, 212547, 354245, 637641, 1062735, 1629527, 1912923, 3188205, 4888581, 8147635, 9564615, 14665743, 24442905, 43997229, 73328715, 219986145]

約数ペア:

[(1, 219986145), (3, 73328715), (5, 43997229), (9, 24442905), (15, 14665743), (23, 9564615), (27, 8147635), (45, 4888581), (69, 3188205), (115, 1912923), (135, 1629527), (207, 1062735), (345, 637641), (621, 354245), (1035, 212547), (3105, 70849)]