156903999

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 268240896

約数和(自身を除く): 111336897

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 97, 119, 161, 197, 291, 357, 391, 483, 591, 679, 1173, 1379, 1649, 2037, 2231, 2737, 3349, 4137, 4531, 4947, 6693, 8211, 10047, 11543, 13593, 15617, 19109, 23443, 31717, 34629, 37927, 46851, 57327, 70329, 77027, 95151, 113781, 133763, 231081, 265489, 324853, 401289, 439507, 539189, 796467, 974559, 1318521, 1617567, 2273971, 3076549, 6821913, 7471619, 9229647, 22414857, 52301333, 156903999]

約数ペア:

[(1, 156903999), (3, 52301333), (7, 22414857), (17, 9229647), (21, 7471619), (23, 6821913), (51, 3076549), (69, 2273971), (97, 1617567), (119, 1318521), (161, 974559), (197, 796467), (291, 539189), (357, 439507), (391, 401289), (483, 324853), (591, 265489), (679, 231081), (1173, 133763), (1379, 113781), (1649, 95151), (2037, 77027), (2231, 70329), (2737, 57327), (3349, 46851), (4137, 37927), (4531, 34629), (4947, 31717), (6693, 23443), (8211, 19109), (10047, 15617), (11543, 13593)]