201311145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639083}}^1$

素因数の和:639101

約数の個数: 24

約数和(自身を含む): 398788416

約数和(自身を除く): 197477271

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639083, 1917249, 3195415, 4473581, 5751747, 9586245, 13420743, 22367905, 28758735, 40262229, 67103715, 201311145]

約数ペア:

[(1, 201311145), (3, 67103715), (5, 40262229), (7, 28758735), (9, 22367905), (15, 13420743), (21, 9586245), (35, 5751747), (45, 4473581), (63, 3195415), (105, 1917249), (315, 639083)]