15398901

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4007}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 25843584

約数和(自身を除く): 10444683

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4007, 12021, 28049, 36063, 84147, 244427, 252441, 733281, 1710989, 2199843, 5132967, 15398901]

約数ペア:

[(1, 15398901), (3, 5132967), (7, 2199843), (9, 1710989), (21, 733281), (61, 252441), (63, 244427), (183, 84147), (427, 36063), (549, 28049), (1281, 12021), (3843, 4007)]