7481397

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 5098443

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 233, 417, 699, 973, 1529, 1631, 2563, 2919, 4587, 4893, 7689, 10703, 17941, 32109, 32387, 53823, 97161, 226709, 356257, 680127, 1068771, 2493799, 7481397]

約数ペア:

[(1, 7481397), (3, 2493799), (7, 1068771), (11, 680127), (21, 356257), (33, 226709), (77, 97161), (139, 53823), (231, 32387), (233, 32109), (417, 17941), (699, 10703), (973, 7689), (1529, 4893), (1631, 4587), (2563, 2919)]