206813385

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80629}}^1$

素因数の和:80662

約数の個数: 32

約数和(自身を含む): 387024000

約数和(自身を除く): 180210615

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 80629, 241887, 403145, 725661, 1209435, 1531951, 2176983, 3628305, 4595853, 7659755, 10884915, 13787559, 22979265, 41362677, 68937795, 206813385]

約数ペア:

[(1, 206813385), (3, 68937795), (5, 41362677), (9, 22979265), (15, 13787559), (19, 10884915), (27, 7659755), (45, 4595853), (57, 3628305), (95, 2176983), (135, 1531951), (171, 1209435), (285, 725661), (513, 403145), (855, 241887), (2565, 80629)]