39861405

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 36

約数和(自身を含む): 70770492

約数和(自身を除く): 30909087

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 401, 423, 705, 1203, 2005, 2115, 2209, 3609, 6015, 6627, 11045, 18045, 18847, 19881, 33135, 56541, 94235, 99405, 169623, 282705, 848115, 885809, 2657427, 4429045, 7972281, 13287135, 39861405]

約数ペア:

[(1, 39861405), (3, 13287135), (5, 7972281), (9, 4429045), (15, 2657427), (45, 885809), (47, 848115), (141, 282705), (235, 169623), (401, 99405), (423, 94235), (705, 56541), (1203, 33135), (2005, 19881), (2115, 18847), (2209, 18045), (3609, 11045), (6015, 6627)]