215512191

素因数分解:

$3^3\times {\mathrm{59}}^2\times {\mathrm{2293}}^1$

素因数の和:2420

約数の個数: 24

約数和(自身を含む): 324922160

約数和(自身を除く): 109409969

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 2293, 3481, 6879, 10443, 20637, 31329, 61911, 93987, 135287, 405861, 1217583, 3652749, 7981933, 23945799, 71837397, 215512191]

約数ペア:

[(1, 215512191), (3, 71837397), (9, 23945799), (27, 7981933), (59, 3652749), (177, 1217583), (531, 405861), (1593, 135287), (2293, 93987), (3481, 61911), (6879, 31329), (10443, 20637)]