20173131

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{7547}}^1$

素因数の和:7573

約数の個数: 24

約数和(自身を含む): 32969664

約数和(自身を除く): 12796533

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 891, 2673, 7547, 22641, 67923, 83017, 203769, 249051, 611307, 747153, 1833921, 2241459, 6724377, 20173131]

約数ペア:

[(1, 20173131), (3, 6724377), (9, 2241459), (11, 1833921), (27, 747153), (33, 611307), (81, 249051), (99, 203769), (243, 83017), (297, 67923), (891, 22641), (2673, 7547)]