1618444989

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{145139}}^1$

素因数の和:145214

約数の個数: 32

約数和(自身を含む): 2786688000

約数和(自身を除く): 1168243011

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 3717, 11151, 145139, 435417, 1015973, 1306251, 3047919, 3918753, 8563201, 9143757, 25689603, 27431271, 59942407, 77068809, 179827221, 231206427, 539481663, 1618444989]

約数ペア:

[(1, 1618444989), (3, 539481663), (7, 231206427), (9, 179827221), (21, 77068809), (27, 59942407), (59, 27431271), (63, 25689603), (177, 9143757), (189, 8563201), (413, 3918753), (531, 3047919), (1239, 1306251), (1593, 1015973), (3717, 435417), (11151, 145139)]