209628159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3581}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 320947200

約数和(自身を除く): 111319041

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 741, 1027, 1501, 3081, 3581, 4503, 10743, 19513, 46553, 58539, 68039, 139659, 204117, 282899, 848697, 884507, 2653521, 3677687, 5375081, 11033061, 16125243, 69876053, 209628159]

約数ペア:

[(1, 209628159), (3, 69876053), (13, 16125243), (19, 11033061), (39, 5375081), (57, 3677687), (79, 2653521), (237, 884507), (247, 848697), (741, 282899), (1027, 204117), (1501, 139659), (3081, 68039), (3581, 58539), (4503, 46553), (10743, 19513)]