221420103

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{45197}}^1$

素因数の和:45294

約数の個数: 16

約数和(自身を含む): 312408576

約数和(自身を除く): 90988473

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 45197, 135591, 1039531, 3118593, 3208987, 9626961, 73806701, 221420103]

約数ペア:

[(1, 221420103), (3, 73806701), (23, 9626961), (69, 3208987), (71, 3118593), (213, 1039531), (1633, 135591), (4899, 45197)]