156939867

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131111}}^1$

素因数の和:131143

約数の個数: 24

約数和(自身を含む): 272712960

約数和(自身を除く): 115773093

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 131111, 393333, 917777, 1179999, 2491109, 2753331, 7473327, 8259993, 17437763, 22419981, 52313289, 156939867]

約数ペア:

[(1, 156939867), (3, 52313289), (7, 22419981), (9, 17437763), (19, 8259993), (21, 7473327), (57, 2753331), (63, 2491109), (133, 1179999), (171, 917777), (399, 393333), (1197, 131111)]