397616037

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{208067}}^1$

素因数の和:208097

約数の個数: 24

約数和(自身を含む): 664153056

約数和(自身を除く): 266537019

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 208067, 624201, 1456469, 2704871, 4369407, 8114613, 10195283, 18934097, 30585849, 56802291, 132538679, 397616037]

約数ペア:

[(1, 397616037), (3, 132538679), (7, 56802291), (13, 30585849), (21, 18934097), (39, 10195283), (49, 8114613), (91, 4369407), (147, 2704871), (273, 1456469), (637, 624201), (1911, 208067)]