249247935

素因数分解:

$3^4\times 5^1\times {\mathrm{615427}}^1$

素因数の和:615444

約数の個数: 20

約数和(自身を含む): 446800728

約数和(自身を除く): 197552793

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 615427, 1846281, 3077135, 5538843, 9231405, 16616529, 27694215, 49849587, 83082645, 249247935]

約数ペア:

[(1, 249247935), (3, 83082645), (5, 49849587), (9, 27694215), (15, 16616529), (27, 9231405), (45, 5538843), (81, 3077135), (135, 1846281), (405, 615427)]