1230915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 2373120

約数和(自身を除く): 1142205

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 617, 665, 1851, 1995, 3085, 4319, 9255, 11723, 12957, 21595, 35169, 58615, 64785, 82061, 175845, 246183, 410305, 1230915]

約数ペア:

[(1, 1230915), (3, 410305), (5, 246183), (7, 175845), (15, 82061), (19, 64785), (21, 58615), (35, 35169), (57, 21595), (95, 12957), (105, 11723), (133, 9255), (285, 4319), (399, 3085), (617, 1995), (665, 1851)]