157213719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{31249}}^1$

素因数の和:31311

約数の個数: 24

約数和(自身を含む): 250250000

約数和(自身を除く): 93036281

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 31249, 93747, 281241, 406237, 1218711, 1343707, 3656133, 4031121, 12093363, 17468191, 52404573, 157213719]

約数ペア:

[(1, 157213719), (3, 52404573), (9, 17468191), (13, 12093363), (39, 4031121), (43, 3656133), (117, 1343707), (129, 1218711), (387, 406237), (559, 281241), (1677, 93747), (5031, 31249)]