11855745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 22980672

約数和(自身を除く): 11124927

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 557, 645, 1419, 1671, 1935, 2365, 2785, 4257, 5013, 6127, 7095, 8355, 18381, 21285, 23951, 25065, 30635, 55143, 71853, 91905, 119755, 215559, 263461, 275715, 359265, 790383, 1077795, 1317305, 2371149, 3951915, 11855745]

約数ペア:

[(1, 11855745), (3, 3951915), (5, 2371149), (9, 1317305), (11, 1077795), (15, 790383), (33, 359265), (43, 275715), (45, 263461), (55, 215559), (99, 119755), (129, 91905), (165, 71853), (215, 55143), (387, 30635), (473, 25065), (495, 23951), (557, 21285), (645, 18381), (1419, 8355), (1671, 7095), (1935, 6127), (2365, 5013), (2785, 4257)]