263789073

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 386231976

約数和(自身を除く): 122442903

約数列:

[1, 3, 9, 101, 303, 521, 557, 909, 1563, 1671, 4689, 5013, 52621, 56257, 157863, 168771, 290197, 473589, 506313, 870591, 2611773, 29309897, 87929691, 263789073]

約数ペア:

[(1, 263789073), (3, 87929691), (9, 29309897), (101, 2611773), (303, 870591), (521, 506313), (557, 473589), (909, 290197), (1563, 168771), (1671, 157863), (4689, 56257), (5013, 52621)]