139725

素因数分解:

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

素因数の和:48

約数の個数: 36

約数和(自身を含む): 270816

約数和(自身を除く): 131091

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 243, 345, 405, 575, 621, 675, 1035, 1215, 1725, 1863, 2025, 3105, 5175, 5589, 6075, 9315, 15525, 27945, 46575, 139725]

約数ペア:

[(1, 139725), (3, 46575), (5, 27945), (9, 15525), (15, 9315), (23, 6075), (25, 5589), (27, 5175), (45, 3105), (69, 2025), (75, 1863), (81, 1725), (115, 1215), (135, 1035), (207, 675), (225, 621), (243, 575), (345, 405)]