9881505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12917}}^1$

素因数の和:12945

約数の個数: 24

約数和(自身を含む): 18136872

約数和(自身を除く): 8255367

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 12917, 38751, 64585, 116253, 193755, 219589, 581265, 658767, 1097945, 1976301, 3293835, 9881505]

約数ペア:

[(1, 9881505), (3, 3293835), (5, 1976301), (9, 1097945), (15, 658767), (17, 581265), (45, 219589), (51, 193755), (85, 116253), (153, 64585), (255, 38751), (765, 12917)]