7806375

素因数分解:

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

素因数の和:287

約数の個数: 48

約数和(自身を含む): 14650272

約数和(自身を除く): 6843897

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 257, 375, 405, 675, 771, 1125, 1215, 1285, 2025, 2313, 3375, 3855, 6075, 6425, 6939, 10125, 11565, 19275, 20817, 30375, 32125, 34695, 57825, 62451, 96375, 104085, 173475, 289125, 312255, 520425, 867375, 1561275, 2602125, 7806375]

約数ペア:

[(1, 7806375), (3, 2602125), (5, 1561275), (9, 867375), (15, 520425), (25, 312255), (27, 289125), (45, 173475), (75, 104085), (81, 96375), (125, 62451), (135, 57825), (225, 34695), (243, 32125), (257, 30375), (375, 20817), (405, 19275), (675, 11565), (771, 10125), (1125, 6939), (1215, 6425), (1285, 6075), (2025, 3855), (2313, 3375)]