77881619907

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31697851}}^1$

素因数の和:31697880

約数の個数: 32

約数和(自身を含む): 142006376960

約数和(自身を除く): 64124757053

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 31697851, 95093553, 221884957, 285280659, 412072063, 665654871, 855841977, 1236216189, 1996964613, 2884504441, 3708648567, 5990893839, 8653513323, 11125945701, 25960539969, 77881619907]

約数ペア:

[(1, 77881619907), (3, 25960539969), (7, 11125945701), (9, 8653513323), (13, 5990893839), (21, 3708648567), (27, 2884504441), (39, 1996964613), (63, 1236216189), (91, 855841977), (117, 665654871), (189, 412072063), (273, 285280659), (351, 221884957), (819, 95093553), (2457, 31697851)]