668925

素因数分解:

$3^3\times 5^2\times {\mathrm{991}}^1$

素因数の和:1010

約数の個数: 24

約数和(自身を含む): 1230080

約数和(自身を除く): 561155

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 991, 2973, 4955, 8919, 14865, 24775, 26757, 44595, 74325, 133785, 222975, 668925]

約数ペア:

[(1, 668925), (3, 222975), (5, 133785), (9, 74325), (15, 44595), (25, 26757), (27, 24775), (45, 14865), (75, 8919), (135, 4955), (225, 2973), (675, 991)]