1530221

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2068416

約数和(自身を除く): 538195

約数列:

[1, 7, 11, 17, 49, 77, 119, 167, 187, 539, 833, 1169, 1309, 1837, 2839, 8183, 9163, 12859, 19873, 31229, 90013, 139111, 218603, 1530221]

約数ペア:

[(1, 1530221), (7, 218603), (11, 139111), (17, 90013), (49, 31229), (77, 19873), (119, 12859), (167, 9163), (187, 8183), (539, 2839), (833, 1837), (1169, 1309)]