13770621

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 21648000

約数和(自身を除く): 7877379

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 409, 783, 1161, 1227, 1247, 3681, 3741, 11043, 11223, 11861, 17587, 33669, 35583, 52761, 106749, 158283, 320247, 474849, 510023, 1530069, 4590207, 13770621]

約数ペア:

[(1, 13770621), (3, 4590207), (9, 1530069), (27, 510023), (29, 474849), (43, 320247), (87, 158283), (129, 106749), (261, 52761), (387, 35583), (409, 33669), (783, 17587), (1161, 11861), (1227, 11223), (1247, 11043), (3681, 3741)]