91686987

素因数分解:

$3^2\times 7^4\times {\mathrm{4243}}^1$

素因数の和:4277

約数の個数: 30

約数和(自身を含む): 154536772

約数和(自身を除く): 62849785

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 4243, 7203, 12729, 21609, 29701, 38187, 89103, 207907, 267309, 623721, 1455349, 1871163, 4366047, 10187443, 13098141, 30562329, 91686987]

約数ペア:

[(1, 91686987), (3, 30562329), (7, 13098141), (9, 10187443), (21, 4366047), (49, 1871163), (63, 1455349), (147, 623721), (343, 267309), (441, 207907), (1029, 89103), (2401, 38187), (3087, 29701), (4243, 21609), (7203, 12729)]