71330427

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8513}}^1$

素因数の和:8552

約数の個数: 36

約数和(自身を含む): 126177480

約数和(自身を除く): 54847053

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 8513, 25539, 59591, 76617, 161747, 178773, 417137, 485241, 536319, 1132229, 1251411, 1455723, 3396687, 3754233, 7925603, 10190061, 23776809, 71330427]

約数ペア:

[(1, 71330427), (3, 23776809), (7, 10190061), (9, 7925603), (19, 3754233), (21, 3396687), (49, 1455723), (57, 1251411), (63, 1132229), (133, 536319), (147, 485241), (171, 417137), (399, 178773), (441, 161747), (931, 76617), (1197, 59591), (2793, 25539), (8379, 8513)]