199979901

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1607}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 324172800

約数和(自身を除く): 124192899

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 419, 1257, 1607, 3771, 4609, 4821, 11313, 13827, 14463, 17677, 41481, 43389, 53031, 124443, 159093, 477279, 673333, 2019999, 6059997, 7406663, 18179991, 22219989, 66659967, 199979901]

約数ペア:

[(1, 199979901), (3, 66659967), (9, 22219989), (11, 18179991), (27, 7406663), (33, 6059997), (99, 2019999), (297, 673333), (419, 477279), (1257, 159093), (1607, 124443), (3771, 53031), (4609, 43389), (4821, 41481), (11313, 17677), (13827, 14463)]