81391506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{15259}}^1$

素因数の和:15398

約数の個数: 32

約数和(自身を含む): 187514880

約数和(自身を除く): 106123374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 5334, 15259, 30518, 45777, 91554, 106813, 213626, 320439, 640878, 1937893, 3875786, 5813679, 11627358, 13565251, 27130502, 40695753, 81391506]

約数ペア:

[(1, 81391506), (2, 40695753), (3, 27130502), (6, 13565251), (7, 11627358), (14, 5813679), (21, 3875786), (42, 1937893), (127, 640878), (254, 320439), (381, 213626), (762, 106813), (889, 91554), (1778, 45777), (2667, 30518), (5334, 15259)]