15115971

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 7527741

約数列:

[1, 3, 13, 39, 53, 71, 103, 159, 213, 309, 689, 923, 1339, 2067, 2769, 3763, 4017, 5459, 7313, 11289, 16377, 21939, 48919, 70967, 95069, 146757, 212901, 285207, 387589, 1162767, 5038657, 15115971]

約数ペア:

[(1, 15115971), (3, 5038657), (13, 1162767), (39, 387589), (53, 285207), (71, 212901), (103, 146757), (159, 95069), (213, 70967), (309, 48919), (689, 21939), (923, 16377), (1339, 11289), (2067, 7313), (2769, 5459), (3763, 4017)]