54986895

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 98690592

約数和(自身を除く): 43703697

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 157, 181, 215, 387, 471, 543, 645, 785, 905, 1413, 1629, 1935, 2355, 2715, 6751, 7065, 7783, 8145, 20253, 23349, 28417, 33755, 38915, 60759, 70047, 85251, 101265, 116745, 142085, 255753, 303795, 350235, 426255, 1221931, 1278765, 3665793, 6109655, 10997379, 18328965, 54986895]

約数ペア:

[(1, 54986895), (3, 18328965), (5, 10997379), (9, 6109655), (15, 3665793), (43, 1278765), (45, 1221931), (129, 426255), (157, 350235), (181, 303795), (215, 255753), (387, 142085), (471, 116745), (543, 101265), (645, 85251), (785, 70047), (905, 60759), (1413, 38915), (1629, 33755), (1935, 28417), (2355, 23349), (2715, 20253), (6751, 8145), (7065, 7783)]