64315215

素因数分解:

$3^4\times 5^1\times {\mathrm{158803}}^1$

素因数の和:158820

約数の個数: 20

約数和(自身を含む): 115291704

約数和(自身を除く): 50976489

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 158803, 476409, 794015, 1429227, 2382045, 4287681, 7146135, 12863043, 21438405, 64315215]

約数ペア:

[(1, 64315215), (3, 21438405), (5, 12863043), (9, 7146135), (15, 4287681), (27, 2382045), (45, 1429227), (81, 794015), (135, 476409), (405, 158803)]