20121129567

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1\times {\mathrm{937}}^1$

素因数の和:1291

約数の個数: 120

約数和(自身を含む): 37919227808

約数和(自身を除く): 17798098241

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 121, 189, 231, 297, 313, 363, 567, 693, 847, 891, 937, 939, 1089, 2079, 2191, 2541, 2811, 2817, 3267, 3443, 6237, 6559, 6573, 7623, 8433, 8451, 9801, 10307, 10329, 19677, 19719, 22869, 24101, 25299, 25353, 30921, 30987, 37873, 59031, 59157, 68607, 72149, 72303, 75897, 92763, 92961, 113377, 113619, 177093, 177471, 216447, 216909, 265111, 278289, 278883, 293281, 340131, 340857, 531279, 649341, 650727, 793639, 795333, 834867, 879843, 1020393, 1022571, 1948023, 1952181, 2052967, 2380917, 2385999, 2639529, 3061179, 3067713, 3226091, 5844069, 6158901, 7142751, 7157997, 7918587, 9183537, 9678273, 18476703, 21428253, 21473991, 22582637, 23755761, 29034819, 35487001, 55430109, 64284759, 67747911, 87104457, 106461003, 166290327, 203243733, 248409007, 261313371, 319383009, 609731199, 745227021, 958149027, 1829193597, 2235681063, 2874447081, 6707043189, 20121129567]

約数ペア:

[(1, 20121129567), (3, 6707043189), (7, 2874447081), (9, 2235681063), (11, 1829193597), (21, 958149027), (27, 745227021), (33, 609731199), (63, 319383009), (77, 261313371), (81, 248409007), (99, 203243733), (121, 166290327), (189, 106461003), (231, 87104457), (297, 67747911), (313, 64284759), (363, 55430109), (567, 35487001), (693, 29034819), (847, 23755761), (891, 22582637), (937, 21473991), (939, 21428253), (1089, 18476703), (2079, 9678273), (2191, 9183537), (2541, 7918587), (2811, 7157997), (2817, 7142751), (3267, 6158901), (3443, 5844069), (6237, 3226091), (6559, 3067713), (6573, 3061179), (7623, 2639529), (8433, 2385999), (8451, 2380917), (9801, 2052967), (10307, 1952181), (10329, 1948023), (19677, 1022571), (19719, 1020393), (22869, 879843), (24101, 834867), (25299, 795333), (25353, 793639), (30921, 650727), (30987, 649341), (37873, 531279), (59031, 340857), (59157, 340131), (68607, 293281), (72149, 278883), (72303, 278289), (75897, 265111), (92763, 216909), (92961, 216447), (113377, 177471), (113619, 177093)]