11817561

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 19261440

約数和(自身を除く): 7443879

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 301, 483, 569, 903, 989, 1707, 2967, 3983, 6923, 11949, 13087, 20769, 24467, 39261, 73401, 91609, 171269, 274827, 513807, 562741, 1688223, 3939187, 11817561]

約数ペア:

[(1, 11817561), (3, 3939187), (7, 1688223), (21, 562741), (23, 513807), (43, 274827), (69, 171269), (129, 91609), (161, 73401), (301, 39261), (483, 24467), (569, 20769), (903, 13087), (989, 11949), (1707, 6923), (2967, 3983)]