211778883

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{1213}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 322584080

約数和(自身を除く): 110805197

約数列:

[1, 3, 9, 19, 57, 171, 1021, 1213, 3063, 3639, 9189, 10917, 19399, 23047, 58197, 69141, 174591, 207423, 1238473, 3715419, 11146257, 23530987, 70592961, 211778883]

約数ペア:

[(1, 211778883), (3, 70592961), (9, 23530987), (19, 11146257), (57, 3715419), (171, 1238473), (1021, 207423), (1213, 174591), (3063, 69141), (3639, 58197), (9189, 23047), (10917, 19399)]