72161445

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 117936000

約数和(自身を除く): 45774555

約数列:

[1, 3, 5, 15, 83, 149, 249, 389, 415, 447, 745, 1167, 1245, 1945, 2235, 5835, 12367, 32287, 37101, 57961, 61835, 96861, 161435, 173883, 185505, 289805, 484305, 869415, 4810763, 14432289, 24053815, 72161445]

約数ペア:

[(1, 72161445), (3, 24053815), (5, 14432289), (15, 4810763), (83, 869415), (149, 484305), (249, 289805), (389, 185505), (415, 173883), (447, 161435), (745, 96861), (1167, 61835), (1245, 57961), (1945, 37101), (2235, 32287), (5835, 12367)]