15968379

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 26460160

約数和(自身を除く): 10491781

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1291, 1767, 3873, 4123, 9037, 12369, 24529, 27111, 40021, 73587, 120063, 171703, 280147, 515109, 760399, 840441, 2281197, 5322793, 15968379]

約数ペア:

[(1, 15968379), (3, 5322793), (7, 2281197), (19, 840441), (21, 760399), (31, 515109), (57, 280147), (93, 171703), (133, 120063), (217, 73587), (399, 40021), (589, 27111), (651, 24529), (1291, 12369), (1767, 9037), (3873, 4123)]