42125349

素因数分解:

$3^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 65581920

約数和(自身を除く): 23456571

約数列:

[1, 3, 7, 21, 49, 147, 509, 563, 1527, 1689, 3563, 3941, 10689, 11823, 24941, 27587, 74823, 82761, 286567, 859701, 2005969, 6017907, 14041783, 42125349]

約数ペア:

[(1, 42125349), (3, 14041783), (7, 6017907), (21, 2005969), (49, 859701), (147, 286567), (509, 82761), (563, 74823), (1527, 27587), (1689, 24941), (3563, 11823), (3941, 10689)]