42120897

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 69495552

約数和(自身を除く): 27374655

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 277, 557, 831, 1671, 1939, 3601, 3899, 5817, 7241, 10803, 11697, 21723, 25207, 50687, 75621, 152061, 154289, 462867, 1080023, 2005757, 3240069, 6017271, 14040299, 42120897]

約数ペア:

[(1, 42120897), (3, 14040299), (7, 6017271), (13, 3240069), (21, 2005757), (39, 1080023), (91, 462867), (273, 154289), (277, 152061), (557, 75621), (831, 50687), (1671, 25207), (1939, 21723), (3601, 11697), (3899, 10803), (5817, 7241)]