291246309

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{2273}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 439882560

約数和(自身を除く): 148636251

約数列:

[1, 3, 9, 23, 69, 207, 619, 1857, 2273, 5571, 6819, 14237, 20457, 42711, 52279, 128133, 156837, 470511, 1406987, 4220961, 12662883, 32360701, 97082103, 291246309]

約数ペア:

[(1, 291246309), (3, 97082103), (9, 32360701), (23, 12662883), (69, 4220961), (207, 1406987), (619, 470511), (1857, 156837), (2273, 128133), (5571, 52279), (6819, 42711), (14237, 20457)]