16912755

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 31299840

約数和(自身を除く): 14387085

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 131, 151, 171, 285, 393, 453, 655, 755, 855, 1179, 1359, 1965, 2265, 2489, 2869, 5895, 6795, 7467, 8607, 12445, 14345, 19781, 22401, 25821, 37335, 43035, 59343, 98905, 112005, 129105, 178029, 296715, 375839, 890145, 1127517, 1879195, 3382551, 5637585, 16912755]

約数ペア:

[(1, 16912755), (3, 5637585), (5, 3382551), (9, 1879195), (15, 1127517), (19, 890145), (45, 375839), (57, 296715), (95, 178029), (131, 129105), (151, 112005), (171, 98905), (285, 59343), (393, 43035), (453, 37335), (655, 25821), (755, 22401), (855, 19781), (1179, 14345), (1359, 12445), (1965, 8607), (2265, 7467), (2489, 6795), (2869, 5895)]