221087109

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{40559}}^1$

素因数の和:40664

約数の個数: 16

約数和(自身を含む): 311500800

約数和(自身を除く): 90413691

約数列:

[1, 3, 23, 69, 79, 237, 1817, 5451, 40559, 121677, 932857, 2798571, 3204161, 9612483, 73695703, 221087109]

約数ペア:

[(1, 221087109), (3, 73695703), (23, 9612483), (69, 3204161), (79, 2798571), (237, 932857), (1817, 121677), (5451, 40559)]