28805679

素因数分解:

$3^3\times 7^2\times {\mathrm{21773}}^1$

素因数の和:21796

約数の個数: 24

約数和(自身を含む): 49644720

約数和(自身を除く): 20839041

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21773, 65319, 152411, 195957, 457233, 587871, 1066877, 1371699, 3200631, 4115097, 9601893, 28805679]

約数ペア:

[(1, 28805679), (3, 9601893), (7, 4115097), (9, 3200631), (21, 1371699), (27, 1066877), (49, 587871), (63, 457233), (147, 195957), (189, 152411), (441, 65319), (1323, 21773)]