123397209

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{27043}}^1$

素因数の和:27078

約数の個数: 24

約数和(自身を含む): 197962080

約数和(自身を除く): 74564871

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 27043, 81129, 243387, 351559, 730161, 1054677, 3164031, 4570267, 9492093, 13710801, 41132403, 123397209]

約数ペア:

[(1, 123397209), (3, 41132403), (9, 13710801), (13, 9492093), (27, 4570267), (39, 3164031), (117, 1054677), (169, 730161), (351, 351559), (507, 243387), (1521, 81129), (4563, 27043)]