67257981

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2477}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 111331584

約数和(自身を除く): 44073603

約数列:

[1, 3, 7, 9, 21, 63, 431, 1293, 2477, 3017, 3879, 7431, 9051, 17339, 22293, 27153, 52017, 156051, 1067587, 3202761, 7473109, 9608283, 22419327, 67257981]

約数ペア:

[(1, 67257981), (3, 22419327), (7, 9608283), (9, 7473109), (21, 3202761), (63, 1067587), (431, 156051), (1293, 52017), (2477, 27153), (3017, 22293), (3879, 17339), (7431, 9051)]