654313671

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 1081800720

約数和(自身を除く): 427487049

約数列:

[1, 3, 9, 11, 33, 43, 89, 99, 121, 129, 157, 267, 363, 387, 471, 473, 801, 979, 1089, 1413, 1419, 1727, 2937, 3827, 4257, 5181, 5203, 6751, 8811, 10769, 11481, 13973, 15543, 15609, 18997, 20253, 32307, 34443, 41919, 42097, 46827, 56991, 60759, 74261, 96921, 125757, 126291, 153703, 170973, 222783, 378873, 461109, 463067, 600839, 668349, 816871, 1383327, 1389201, 1690733, 1802517, 2450613, 4167603, 5072199, 5407551, 6609229, 7351839, 15216597, 19827687, 59483061, 72701519, 218104557, 654313671]

約数ペア:

[(1, 654313671), (3, 218104557), (9, 72701519), (11, 59483061), (33, 19827687), (43, 15216597), (89, 7351839), (99, 6609229), (121, 5407551), (129, 5072199), (157, 4167603), (267, 2450613), (363, 1802517), (387, 1690733), (471, 1389201), (473, 1383327), (801, 816871), (979, 668349), (1089, 600839), (1413, 463067), (1419, 461109), (1727, 378873), (2937, 222783), (3827, 170973), (4257, 153703), (5181, 126291), (5203, 125757), (6751, 96921), (8811, 74261), (10769, 60759), (11481, 56991), (13973, 46827), (15543, 42097), (15609, 41919), (18997, 34443), (20253, 32307)]