51709005

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26723}}^1$

素因数の和:26777

約数の個数: 24

約数和(自身を含む): 91716768

約数和(自身を除く): 40007763

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 26723, 80169, 133615, 240507, 400845, 1149089, 1202535, 3447267, 5745445, 10341801, 17236335, 51709005]

約数ペア:

[(1, 51709005), (3, 17236335), (5, 10341801), (9, 5745445), (15, 3447267), (43, 1202535), (45, 1149089), (129, 400845), (215, 240507), (387, 133615), (645, 80169), (1935, 26723)]