3781809

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 5765760

約数和(自身を除く): 1983951

約数列:

[1, 3, 9, 27, 79, 81, 197, 237, 243, 591, 711, 1773, 2133, 5319, 6399, 15563, 15957, 19197, 46689, 47871, 140067, 420201, 1260603, 3781809]

約数ペア:

[(1, 3781809), (3, 1260603), (9, 420201), (27, 140067), (79, 47871), (81, 46689), (197, 19197), (237, 15957), (243, 15563), (591, 6399), (711, 5319), (1773, 2133)]