6420005775

素因数分解:

$3^2\times 5^2\times {\mathrm{28533359}}^1$

素因数の和:28533375

約数の個数: 18

約数和(自身を含む): 11498944080

約数和(自身を除く): 5078938305

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 28533359, 85600077, 142666795, 256800231, 428000385, 713333975, 1284001155, 2140001925, 6420005775]

約数ペア:

[(1, 6420005775), (3, 2140001925), (5, 1284001155), (9, 713333975), (15, 428000385), (25, 256800231), (45, 142666795), (75, 85600077), (225, 28533359)]