28375011

素因数分解:

$3^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{977}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 46990944

約数和(自身を除く): 18615933

約数列:

[1, 3, 7, 9, 21, 63, 461, 977, 1383, 2931, 3227, 4149, 6839, 8793, 9681, 20517, 29043, 61551, 450397, 1351191, 3152779, 4053573, 9458337, 28375011]

約数ペア:

[(1, 28375011), (3, 9458337), (7, 4053573), (9, 3152779), (21, 1351191), (63, 450397), (461, 61551), (977, 29043), (1383, 20517), (2931, 9681), (3227, 8793), (4149, 6839)]