168543921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2011}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 277623808

約数和(自身を除く): 109079887

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 2011, 2149, 3991, 6033, 6447, 11973, 14077, 26143, 27937, 42231, 78429, 83811, 183001, 549003, 617377, 1852131, 4321639, 8025901, 12964917, 24077703, 56181307, 168543921]

約数ペア:

[(1, 168543921), (3, 56181307), (7, 24077703), (13, 12964917), (21, 8025901), (39, 4321639), (91, 1852131), (273, 617377), (307, 549003), (921, 183001), (2011, 83811), (2149, 78429), (3991, 42231), (6033, 27937), (6447, 26143), (11973, 14077)]