15952001

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 19958400

約数和(自身を除く): 4006399

約数列:

[1, 13, 17, 19, 29, 131, 221, 247, 323, 377, 493, 551, 1703, 2227, 2489, 3799, 4199, 6409, 7163, 9367, 28951, 32357, 42313, 49387, 64583, 72181, 121771, 550069, 839579, 938353, 1227077, 15952001]

約数ペア:

[(1, 15952001), (13, 1227077), (17, 938353), (19, 839579), (29, 550069), (131, 121771), (221, 72181), (247, 64583), (323, 49387), (377, 42313), (493, 32357), (551, 28951), (1703, 9367), (2227, 7163), (2489, 6409), (3799, 4199)]