201657561

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2417}}^1$

素因数の和:2593

約数の個数: 32

約数和(自身を含む): 320336640

約数和(自身を除く): 118679079

約数列:

[1, 3, 7, 21, 29, 87, 137, 203, 411, 609, 959, 2417, 2877, 3973, 7251, 11919, 16919, 27811, 50757, 70093, 83433, 210279, 331129, 490651, 993387, 1471953, 2317903, 6953709, 9602741, 28808223, 67219187, 201657561]

約数ペア:

[(1, 201657561), (3, 67219187), (7, 28808223), (21, 9602741), (29, 6953709), (87, 2317903), (137, 1471953), (203, 993387), (411, 490651), (609, 331129), (959, 210279), (2417, 83433), (2877, 70093), (3973, 50757), (7251, 27811), (11919, 16919)]