28851675

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^2\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 49199976

約数和(自身を除く): 20348301

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 281, 555, 843, 925, 1369, 1405, 2775, 4107, 4215, 6845, 7025, 10397, 20535, 21075, 31191, 34225, 51985, 102675, 155955, 259925, 384689, 779775, 1154067, 1923445, 5770335, 9617225, 28851675]

約数ペア:

[(1, 28851675), (3, 9617225), (5, 5770335), (15, 1923445), (25, 1154067), (37, 779775), (75, 384689), (111, 259925), (185, 155955), (281, 102675), (555, 51985), (843, 34225), (925, 31191), (1369, 21075), (1405, 20535), (2775, 10397), (4107, 7025), (4215, 6845)]