27720965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3229}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 35581680

約数和(自身を除く): 7860715

約数列:

[1, 5, 17, 85, 101, 505, 1717, 3229, 8585, 16145, 54893, 274465, 326129, 1630645, 5544193, 27720965]

約数ペア:

[(1, 27720965), (5, 5544193), (17, 1630645), (85, 326129), (101, 274465), (505, 54893), (1717, 16145), (3229, 8585)]