20161690773

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{259271}}^1$

素因数の和:259334

約数の個数: 36

約数和(自身を含む): 32690050848

約数和(自身を除く): 12528360075

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 529, 1127, 1587, 3381, 3703, 11109, 25921, 77763, 259271, 777813, 1814897, 5444691, 5963233, 12704279, 17889699, 38112837, 41742631, 125227893, 137154359, 292198417, 411463077, 876595251, 960080513, 2880241539, 6720563591, 20161690773]

約数ペア:

[(1, 20161690773), (3, 6720563591), (7, 2880241539), (21, 960080513), (23, 876595251), (49, 411463077), (69, 292198417), (147, 137154359), (161, 125227893), (483, 41742631), (529, 38112837), (1127, 17889699), (1587, 12704279), (3381, 5963233), (3703, 5444691), (11109, 1814897), (25921, 777813), (77763, 259271)]