398335905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2027}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 755486784

約数和(自身を除く): 357150879

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 397, 495, 1191, 1985, 2027, 3573, 4367, 5955, 6081, 10135, 13101, 17865, 18243, 21835, 22297, 30405, 39303, 65505, 66891, 91215, 111485, 196515, 200673, 334455, 804719, 1003365, 2414157, 4023595, 7242471, 8851909, 12070785, 26555727, 36212355, 44259545, 79667181, 132778635, 398335905]

約数ペア:

[(1, 398335905), (3, 132778635), (5, 79667181), (9, 44259545), (11, 36212355), (15, 26555727), (33, 12070785), (45, 8851909), (55, 7242471), (99, 4023595), (165, 2414157), (397, 1003365), (495, 804719), (1191, 334455), (1985, 200673), (2027, 196515), (3573, 111485), (4367, 91215), (5955, 66891), (6081, 65505), (10135, 39303), (13101, 30405), (17865, 22297), (18243, 21835)]