2220220989

素因数分解:

$3^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{26759}}^1$

素因数の和:27214

約数の個数: 32

約数和(自身を含む): 3767808000

約数和(自身を除く): 1547587011

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 439, 1317, 3073, 3951, 9219, 11853, 26759, 27657, 80277, 82971, 187313, 240831, 561939, 722493, 1685817, 5057451, 11747201, 35241603, 82230407, 105724809, 246691221, 317174427, 740073663, 2220220989]

約数ペア:

[(1, 2220220989), (3, 740073663), (7, 317174427), (9, 246691221), (21, 105724809), (27, 82230407), (63, 35241603), (189, 11747201), (439, 5057451), (1317, 1685817), (3073, 722493), (3951, 561939), (9219, 240831), (11853, 187313), (26759, 82971), (27657, 80277)]