28623375

素因数分解:

$3^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 80

約数和(自身を含む): 58440096

約数和(自身を除く): 29816721

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 125, 135, 165, 225, 257, 275, 297, 375, 405, 495, 675, 771, 825, 891, 1125, 1285, 1375, 1485, 2025, 2313, 2475, 2827, 3375, 3855, 4125, 4455, 6425, 6939, 7425, 8481, 10125, 11565, 12375, 14135, 19275, 20817, 22275, 25443, 32125, 34695, 37125, 42405, 57825, 70675, 76329, 96375, 104085, 111375, 127215, 173475, 212025, 228987, 289125, 353375, 381645, 520425, 636075, 867375, 1060125, 1144935, 1908225, 2602125, 3180375, 5724675, 9541125, 28623375]

約数ペア:

[(1, 28623375), (3, 9541125), (5, 5724675), (9, 3180375), (11, 2602125), (15, 1908225), (25, 1144935), (27, 1060125), (33, 867375), (45, 636075), (55, 520425), (75, 381645), (81, 353375), (99, 289125), (125, 228987), (135, 212025), (165, 173475), (225, 127215), (257, 111375), (275, 104085), (297, 96375), (375, 76329), (405, 70675), (495, 57825), (675, 42405), (771, 37125), (825, 34695), (891, 32125), (1125, 25443), (1285, 22275), (1375, 20817), (1485, 19275), (2025, 14135), (2313, 12375), (2475, 11565), (2827, 10125), (3375, 8481), (3855, 7425), (4125, 6939), (4455, 6425)]