199914615

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7517}}^1$

素因数の和:7728

約数の個数: 32

約数和(自身を含む): 357255360

約数和(自身を除く): 157340745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1773, 2955, 5319, 7517, 8865, 22551, 26595, 37585, 67653, 112755, 202959, 338265, 1014795, 1480849, 4442547, 7404245, 13327641, 22212735, 39982923, 66638205, 199914615]

約数ペア:

[(1, 199914615), (3, 66638205), (5, 39982923), (9, 22212735), (15, 13327641), (27, 7404245), (45, 4442547), (135, 1480849), (197, 1014795), (591, 338265), (985, 202959), (1773, 112755), (2955, 67653), (5319, 37585), (7517, 26595), (8865, 22551)]