280826013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{31721}}^1$

素因数の和:31964

約数の個数: 16

約数和(自身を含む): 405026496

約数和(自身を除く): 124200483

約数列:

[1, 3, 13, 39, 227, 681, 2951, 8853, 31721, 95163, 412373, 1237119, 7200667, 21602001, 93608671, 280826013]

約数ペア:

[(1, 280826013), (3, 93608671), (13, 21602001), (39, 7200667), (227, 1237119), (681, 412373), (2951, 95163), (8853, 31721)]