9909621

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 16030080

約数和(自身を除く): 6120459

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 137, 141, 171, 411, 423, 513, 893, 1233, 1269, 1539, 2603, 2679, 3699, 3807, 6439, 7809, 8037, 11097, 19317, 23427, 24111, 57951, 70281, 72333, 122341, 173853, 210843, 367023, 521559, 1101069, 3303207, 9909621]

約数ペア:

[(1, 9909621), (3, 3303207), (9, 1101069), (19, 521559), (27, 367023), (47, 210843), (57, 173853), (81, 122341), (137, 72333), (141, 70281), (171, 57951), (411, 24111), (423, 23427), (513, 19317), (893, 11097), (1233, 8037), (1269, 7809), (1539, 6439), (2603, 3807), (2679, 3699)]