71843247

素因数分解:

$3^3\times 7^1\times {\mathrm{463}}^1\times {\mathrm{821}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 122050560

約数和(自身を除く): 50207313

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 463, 821, 1389, 2463, 3241, 4167, 5747, 7389, 9723, 12501, 17241, 22167, 29169, 51723, 87507, 155169, 380123, 1140369, 2660861, 3421107, 7982583, 10263321, 23947749, 71843247]

約数ペア:

[(1, 71843247), (3, 23947749), (7, 10263321), (9, 7982583), (21, 3421107), (27, 2660861), (63, 1140369), (189, 380123), (463, 155169), (821, 87507), (1389, 51723), (2463, 29169), (3241, 22167), (4167, 17241), (5747, 12501), (7389, 9723)]