199913823

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{4003}}^1$

素因数の和:4219

約数の個数: 24

約数和(自身を含む): 299819520

約数和(自身を除く): 99905697

約数列:

[1, 3, 9, 31, 93, 179, 279, 537, 1611, 4003, 5549, 12009, 16647, 36027, 49941, 124093, 372279, 716537, 1116837, 2149611, 6448833, 22212647, 66637941, 199913823]

約数ペア:

[(1, 199913823), (3, 66637941), (9, 22212647), (31, 6448833), (93, 2149611), (179, 1116837), (279, 716537), (537, 372279), (1611, 124093), (4003, 49941), (5549, 36027), (12009, 16647)]