20161029195

素因数分解:

$3^4\times 5^1\times {\mathrm{49780319}}^1$

素因数の和:49780336

約数の個数: 20

約数和(自身を含む): 36140512320

約数和(自身を除く): 15979483125

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49780319, 149340957, 248901595, 448022871, 746704785, 1344068613, 2240114355, 4032205839, 6720343065, 20161029195]

約数ペア:

[(1, 20161029195), (3, 6720343065), (5, 4032205839), (9, 2240114355), (15, 1344068613), (27, 746704785), (45, 448022871), (81, 248901595), (135, 149340957), (405, 49780319)]