205412961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{13267}}^1$

素因数の和:13680

約数の個数: 16

約数和(自身を含む): 295717184

約数和(自身を除く): 90304223

約数列:

[1, 3, 13, 39, 397, 1191, 5161, 13267, 15483, 39801, 172471, 517413, 5266999, 15800997, 68470987, 205412961]

約数ペア:

[(1, 205412961), (3, 68470987), (13, 15800997), (39, 5266999), (397, 517413), (1191, 172471), (5161, 39801), (13267, 15483)]