3992985

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 7005960

約数和(自身を除く): 3012975

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 997, 1335, 2991, 4005, 4985, 8973, 14955, 44865, 88733, 266199, 443665, 798597, 1330995, 3992985]

約数ペア:

[(1, 3992985), (3, 1330995), (5, 798597), (9, 443665), (15, 266199), (45, 88733), (89, 44865), (267, 14955), (445, 8973), (801, 4985), (997, 4005), (1335, 2991)]