13781025

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2663}}^1$

素因数の和:2702

約数の個数: 36

約数和(自身を含む): 25766208

約数和(自身を除く): 11985183

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 2663, 5175, 7989, 13315, 23967, 39945, 61249, 66575, 119835, 183747, 199725, 306245, 551241, 599175, 918735, 1531225, 2756205, 4593675, 13781025]

約数ペア:

[(1, 13781025), (3, 4593675), (5, 2756205), (9, 1531225), (15, 918735), (23, 599175), (25, 551241), (45, 306245), (69, 199725), (75, 183747), (115, 119835), (207, 66575), (225, 61249), (345, 39945), (575, 23967), (1035, 13315), (1725, 7989), (2663, 5175)]