16989765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 29519616

約数和(自身を除く): 12529851

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 195, 453, 577, 755, 1731, 1963, 2265, 2885, 5889, 7501, 8655, 9815, 22503, 29445, 37505, 87127, 112515, 261381, 435635, 1132651, 1306905, 3397953, 5663255, 16989765]

約数ペア:

[(1, 16989765), (3, 5663255), (5, 3397953), (13, 1306905), (15, 1132651), (39, 435635), (65, 261381), (151, 112515), (195, 87127), (453, 37505), (577, 29445), (755, 22503), (1731, 9815), (1963, 8655), (2265, 7501), (2885, 5889)]