71566257

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{7907}}^1$

素因数の和:8348

約数の個数: 16

約数和(自身を含む): 109320192

約数和(自身を除く): 37753935

約数列:

[1, 3, 7, 21, 431, 1293, 3017, 7907, 9051, 23721, 55349, 166047, 3407917, 10223751, 23855419, 71566257]

約数ペア:

[(1, 71566257), (3, 23855419), (7, 10223751), (21, 3407917), (431, 166047), (1293, 55349), (3017, 23721), (7907, 9051)]