13220253

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{719}}^1$

素因数の和:958

約数の個数: 20

約数和(自身を含む): 19863360

約数和(自身を除く): 6643107

約数列:

[1, 3, 9, 27, 81, 227, 681, 719, 2043, 2157, 6129, 6471, 18387, 19413, 58239, 163213, 489639, 1468917, 4406751, 13220253]

約数ペア:

[(1, 13220253), (3, 4406751), (9, 1468917), (27, 489639), (81, 163213), (227, 58239), (681, 19413), (719, 18387), (2043, 6471), (2157, 6129)]