389649

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 16

約数和(自身を含む): 570752

約数和(自身を除く): 181103

約数列:

[1, 3, 13, 39, 97, 103, 291, 309, 1261, 1339, 3783, 4017, 9991, 29973, 129883, 389649]

約数ペア:

[(1, 389649), (3, 129883), (13, 29973), (39, 9991), (97, 4017), (103, 3783), (291, 1339), (309, 1261)]