90820845

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3347}}^1$

素因数の和:3431

約数の個数: 40

約数和(自身を含む): 165284064

約数和(自身を除く): 74463219

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 335, 405, 603, 1005, 1809, 3015, 3347, 5427, 9045, 10041, 16735, 27135, 30123, 50205, 90369, 150615, 224249, 271107, 451845, 672747, 1121245, 1355535, 2018241, 3363735, 6054723, 10091205, 18164169, 30273615, 90820845]

約数ペア:

[(1, 90820845), (3, 30273615), (5, 18164169), (9, 10091205), (15, 6054723), (27, 3363735), (45, 2018241), (67, 1355535), (81, 1121245), (135, 672747), (201, 451845), (335, 271107), (405, 224249), (603, 150615), (1005, 90369), (1809, 50205), (3015, 30123), (3347, 27135), (5427, 16735), (9045, 10041)]