84997971

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 129888000

約数和(自身を除く): 44890029

約数列:

[1, 3, 9, 27, 43, 129, 179, 387, 409, 537, 1161, 1227, 1611, 3681, 4833, 7697, 11043, 17587, 23091, 52761, 69273, 73211, 158283, 207819, 219633, 474849, 658899, 1976697, 3148073, 9444219, 28332657, 84997971]

約数ペア:

[(1, 84997971), (3, 28332657), (9, 9444219), (27, 3148073), (43, 1976697), (129, 658899), (179, 474849), (387, 219633), (409, 207819), (537, 158283), (1161, 73211), (1227, 69273), (1611, 52761), (3681, 23091), (4833, 17587), (7697, 11043)]