31321035

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 25288245

約数列:

[1, 3, 5, 9, 15, 45, 47, 59, 141, 177, 235, 251, 295, 423, 531, 705, 753, 885, 1255, 2115, 2259, 2655, 2773, 3765, 8319, 11295, 11797, 13865, 14809, 24957, 35391, 41595, 44427, 58985, 74045, 106173, 124785, 133281, 176955, 222135, 530865, 666405, 696023, 2088069, 3480115, 6264207, 10440345, 31321035]

約数ペア:

[(1, 31321035), (3, 10440345), (5, 6264207), (9, 3480115), (15, 2088069), (45, 696023), (47, 666405), (59, 530865), (141, 222135), (177, 176955), (235, 133281), (251, 124785), (295, 106173), (423, 74045), (531, 58985), (705, 44427), (753, 41595), (885, 35391), (1255, 24957), (2115, 14809), (2259, 13865), (2655, 11797), (2773, 11295), (3765, 8319)]