239305857

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{10781}}^1$

素因数の和:10949

約数の個数: 24

約数和(自身を含む): 373660992

約数和(自身を除く): 134355135

約数列:

[1, 3, 7, 21, 49, 147, 151, 453, 1057, 3171, 7399, 10781, 22197, 32343, 75467, 226401, 528269, 1584807, 1627931, 4883793, 11395517, 34186551, 79768619, 239305857]

約数ペア:

[(1, 239305857), (3, 79768619), (7, 34186551), (21, 11395517), (49, 4883793), (147, 1627931), (151, 1584807), (453, 528269), (1057, 226401), (3171, 75467), (7399, 32343), (10781, 22197)]