66135075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{20507}}^1$

素因数の和:20563

約数の個数: 24

約数和(自身を含む): 111891648

約数和(自身を除く): 45756573

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 20507, 61521, 102535, 307605, 512675, 881801, 1538025, 2645403, 4409005, 13227015, 22045025, 66135075]

約数ペア:

[(1, 66135075), (3, 22045025), (5, 13227015), (15, 4409005), (25, 2645403), (43, 1538025), (75, 881801), (129, 512675), (215, 307605), (645, 102535), (1075, 61521), (3225, 20507)]