28774119

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 43856640

約数和(自身を除く): 15082521

約数列:

[1, 3, 11, 29, 33, 87, 107, 281, 319, 321, 843, 957, 1177, 3091, 3103, 3531, 8149, 9273, 9309, 24447, 30067, 34133, 89639, 90201, 102399, 268917, 330737, 871943, 992211, 2615829, 9591373, 28774119]

約数ペア:

[(1, 28774119), (3, 9591373), (11, 2615829), (29, 992211), (33, 871943), (87, 330737), (107, 268917), (281, 102399), (319, 90201), (321, 89639), (843, 34133), (957, 30067), (1177, 24447), (3091, 9309), (3103, 9273), (3531, 8149)]