90073215

素因数分解:

$3^4\times 5^1\times {\mathrm{222403}}^1$

素因数の和:222420

約数の個数: 20

約数和(自身を含む): 161465304

約数和(自身を除く): 71392089

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 222403, 667209, 1112015, 2001627, 3336045, 6004881, 10008135, 18014643, 30024405, 90073215]

約数ペア:

[(1, 90073215), (3, 30024405), (5, 18014643), (9, 10008135), (15, 6004881), (27, 3336045), (45, 2001627), (81, 1112015), (135, 667209), (405, 222403)]