81742575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47387}}^1$

素因数の和:47423

約数の個数: 24

約数和(自身を含む): 141026688

約数和(自身を除く): 59284113

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 47387, 142161, 236935, 710805, 1089901, 1184675, 3269703, 3554025, 5449505, 16348515, 27247525, 81742575]

約数ペア:

[(1, 81742575), (3, 27247525), (5, 16348515), (15, 5449505), (23, 3554025), (25, 3269703), (69, 1184675), (75, 1089901), (115, 710805), (345, 236935), (575, 142161), (1725, 47387)]