68807895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1373}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 119109312

約数和(自身を除く): 50301417

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 771, 1285, 1373, 3341, 3855, 4119, 6865, 10023, 16705, 17849, 20595, 50115, 53547, 89245, 267735, 352861, 1058583, 1764305, 4587193, 5292915, 13761579, 22935965, 68807895]

約数ペア:

[(1, 68807895), (3, 22935965), (5, 13761579), (13, 5292915), (15, 4587193), (39, 1764305), (65, 1058583), (195, 352861), (257, 267735), (771, 89245), (1285, 53547), (1373, 50115), (3341, 20595), (3855, 17849), (4119, 16705), (6865, 10023)]