219967575

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{68207}}^1$

素因数の和:68263

約数の個数: 24

約数和(自身を含む): 372142848

約数和(自身を除く): 152175273

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 68207, 204621, 341035, 1023105, 1705175, 2932901, 5115525, 8798703, 14664505, 43993515, 73322525, 219967575]

約数ペア:

[(1, 219967575), (3, 73322525), (5, 43993515), (15, 14664505), (25, 8798703), (43, 5115525), (75, 2932901), (129, 1705175), (215, 1023105), (645, 341035), (1075, 204621), (3225, 68207)]