388615731

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{3671}}^1$

素因数の和:3823

約数の個数: 24

約数和(自身を含む): 600797952

約数和(自身を除く): 212182221

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 3671, 5041, 11013, 15123, 25697, 35287, 77091, 105861, 260641, 781923, 1824487, 5473461, 18505511, 55516533, 129538577, 388615731]

約数ペア:

[(1, 388615731), (3, 129538577), (7, 55516533), (21, 18505511), (71, 5473461), (213, 1824487), (497, 781923), (1491, 260641), (3671, 105861), (5041, 77091), (11013, 35287), (15123, 25697)]