42718731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^2$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 63520704

約数和(自身を除く): 20801973

約数列:

[1, 3, 11, 33, 67, 139, 201, 417, 737, 1529, 2211, 4587, 9313, 19321, 27939, 57963, 102443, 212531, 307329, 637593, 1294507, 3883521, 14239577, 42718731]

約数ペア:

[(1, 42718731), (3, 14239577), (11, 3883521), (33, 1294507), (67, 637593), (139, 307329), (201, 212531), (417, 102443), (737, 57963), (1529, 27939), (2211, 19321), (4587, 9313)]