155720961

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{6473}}^1$

素因数の和:6505

約数の個数: 32

約数和(自身を含む): 254816640

約数和(自身を除く): 99095679

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2187, 2673, 6473, 8019, 19419, 24057, 58257, 71203, 174771, 213609, 524313, 640827, 1572939, 1922481, 4718817, 5767443, 14156451, 17302329, 51906987, 155720961]

約数ペア:

[(1, 155720961), (3, 51906987), (9, 17302329), (11, 14156451), (27, 5767443), (33, 4718817), (81, 1922481), (99, 1572939), (243, 640827), (297, 524313), (729, 213609), (891, 174771), (2187, 71203), (2673, 58257), (6473, 24057), (8019, 19419)]