209533821

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{613}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 328435968

約数和(自身を除く): 118902147

約数列:

[1, 3, 7, 21, 41, 123, 287, 397, 613, 861, 1191, 1839, 2779, 4291, 8337, 12873, 16277, 25133, 48831, 75399, 113939, 175931, 243361, 341817, 527793, 730083, 1703527, 5110581, 9977801, 29933403, 69844607, 209533821]

約数ペア:

[(1, 209533821), (3, 69844607), (7, 29933403), (21, 9977801), (41, 5110581), (123, 1703527), (287, 730083), (397, 527793), (613, 341817), (861, 243361), (1191, 175931), (1839, 113939), (2779, 75399), (4291, 48831), (8337, 25133), (12873, 16277)]