31979337

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 48921600

約数和(自身を除く): 16942263

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 309, 419, 741, 1257, 1339, 1957, 4017, 5447, 5871, 7961, 16341, 23883, 25441, 43157, 76323, 103493, 129471, 310479, 561041, 819983, 1683123, 2459949, 10659779, 31979337]

約数ペア:

[(1, 31979337), (3, 10659779), (13, 2459949), (19, 1683123), (39, 819983), (57, 561041), (103, 310479), (247, 129471), (309, 103493), (419, 76323), (741, 43157), (1257, 25441), (1339, 23883), (1957, 16341), (4017, 7961), (5447, 5871)]