15955979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 18979968

約数和(自身を除く): 3023989

約数列:

[1, 13, 17, 31, 137, 221, 289, 403, 527, 1781, 2329, 3757, 4247, 6851, 8959, 30277, 39593, 55211, 72199, 116467, 514709, 938587, 1227383, 15955979]

約数ペア:

[(1, 15955979), (13, 1227383), (17, 938587), (31, 514709), (137, 116467), (221, 72199), (289, 55211), (403, 39593), (527, 30277), (1781, 8959), (2329, 6851), (3757, 4247)]