1221693471

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{31517}}^1$

素因数の和:31655

約数の個数: 24

約数和(自身を含む): 1819218960

約数和(自身を除く): 597525489

約数列:

[1, 3, 9, 59, 73, 177, 219, 531, 657, 4307, 12921, 31517, 38763, 94551, 283653, 1859503, 2300741, 5578509, 6902223, 16735527, 20706669, 135743719, 407231157, 1221693471]

約数ペア:

[(1, 1221693471), (3, 407231157), (9, 135743719), (59, 20706669), (73, 16735527), (177, 6902223), (219, 5578509), (531, 2300741), (657, 1859503), (4307, 283653), (12921, 94551), (31517, 38763)]