204637575

素因数分解:

$3^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{6481}}^1$

素因数の和:6915

約数の個数: 24

約数和(自身を含む): 339190096

約数和(自身を除く): 134552521

約数列:

[1, 3, 5, 15, 25, 75, 421, 1263, 2105, 6315, 6481, 10525, 19443, 31575, 32405, 97215, 162025, 486075, 2728501, 8185503, 13642505, 40927515, 68212525, 204637575]

約数ペア:

[(1, 204637575), (3, 68212525), (5, 40927515), (15, 13642505), (25, 8185503), (75, 2728501), (421, 486075), (1263, 162025), (2105, 97215), (6315, 32405), (6481, 31575), (10525, 19443)]