71956731

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1721}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 120347136

約数和(自身を除く): 48390405

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 231, 543, 1267, 1721, 1991, 3801, 5163, 5973, 12047, 13937, 18931, 36141, 41811, 56793, 132517, 311501, 397551, 934503, 2180507, 3426511, 6541521, 10279533, 23985577, 71956731]

約数ペア:

[(1, 71956731), (3, 23985577), (7, 10279533), (11, 6541521), (21, 3426511), (33, 2180507), (77, 934503), (181, 397551), (231, 311501), (543, 132517), (1267, 56793), (1721, 41811), (1991, 36141), (3801, 18931), (5163, 13937), (5973, 12047)]