200080989

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 305596800

約数和(自身を除く): 105515811

約数列:

[1, 3, 9, 27, 53, 89, 159, 267, 477, 801, 1431, 1571, 2403, 4713, 4717, 14139, 14151, 42417, 42453, 83263, 127359, 139819, 249789, 419457, 749367, 1258371, 2248101, 3775113, 7410407, 22231221, 66693663, 200080989]

約数ペア:

[(1, 200080989), (3, 66693663), (9, 22231221), (27, 7410407), (53, 3775113), (89, 2248101), (159, 1258371), (267, 749367), (477, 419457), (801, 249789), (1431, 139819), (1571, 127359), (2403, 83263), (4713, 42453), (4717, 42417), (14139, 14151)]