397362681

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{797}}^1\times {\mathrm{1787}}^1$

素因数の和:2621

約数の個数: 24

約数和(自身を含む): 593558784

約数和(自身を除く): 196196103

約数列:

[1, 3, 9, 31, 93, 279, 797, 1787, 2391, 5361, 7173, 16083, 24707, 55397, 74121, 166191, 222363, 498573, 1424239, 4272717, 12818151, 44151409, 132454227, 397362681]

約数ペア:

[(1, 397362681), (3, 132454227), (9, 44151409), (31, 12818151), (93, 4272717), (279, 1424239), (797, 498573), (1787, 222363), (2391, 166191), (5361, 74121), (7173, 55397), (16083, 24707)]