72217539

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{853}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 109243680

約数和(自身を除く): 37026141

約数列:

[1, 3, 9, 23, 69, 207, 409, 853, 1227, 2559, 3681, 7677, 9407, 19619, 28221, 58857, 84663, 176571, 348877, 1046631, 3139893, 8024171, 24072513, 72217539]

約数ペア:

[(1, 72217539), (3, 24072513), (9, 8024171), (23, 3139893), (69, 1046631), (207, 348877), (409, 176571), (853, 84663), (1227, 58857), (2559, 28221), (3681, 19619), (7677, 9407)]