72503505

素因数分解:

$3^4\times 5^1\times {\mathrm{179021}}^1$

素因数の和:179038

約数の個数: 20

約数和(自身を含む): 129969972

約数和(自身を除く): 57466467

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 179021, 537063, 895105, 1611189, 2685315, 4833567, 8055945, 14500701, 24167835, 72503505]

約数ペア:

[(1, 72503505), (3, 24167835), (5, 14500701), (9, 8055945), (15, 4833567), (27, 2685315), (45, 1611189), (81, 895105), (135, 537063), (405, 179021)]