1260603

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 20

約数和(自身を含む): 1916640

約数和(自身を除く): 656037

約数列:

[1, 3, 9, 27, 79, 81, 197, 237, 591, 711, 1773, 2133, 5319, 6399, 15563, 15957, 46689, 140067, 420201, 1260603]

約数ペア:

[(1, 1260603), (3, 420201), (9, 140067), (27, 46689), (79, 15957), (81, 15563), (197, 6399), (237, 5319), (591, 2133), (711, 1773)]