421122351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1553}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 642237120

約数和(自身を除く): 221114769

約数列:

[1, 3, 13, 17, 39, 51, 221, 409, 663, 1227, 1553, 4659, 5317, 6953, 15951, 20189, 20859, 26401, 60567, 79203, 90389, 271167, 343213, 635177, 1029639, 1905531, 8257301, 10798009, 24771903, 32394027, 140374117, 421122351]

約数ペア:

[(1, 421122351), (3, 140374117), (13, 32394027), (17, 24771903), (39, 10798009), (51, 8257301), (221, 1905531), (409, 1029639), (663, 635177), (1227, 343213), (1553, 271167), (4659, 90389), (5317, 79203), (6953, 60567), (15951, 26401), (20189, 20859)]