2810925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:91

約数の個数: 54

約数和(自身を含む): 5602506

約数和(自身を除く): 2791581

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 195, 225, 279, 325, 403, 465, 585, 775, 961, 975, 1209, 1395, 2015, 2325, 2883, 2925, 3627, 4805, 6045, 6975, 8649, 10075, 12493, 14415, 18135, 24025, 30225, 37479, 43245, 62465, 72075, 90675, 112437, 187395, 216225, 312325, 562185, 936975, 2810925]

約数ペア:

[(1, 2810925), (3, 936975), (5, 562185), (9, 312325), (13, 216225), (15, 187395), (25, 112437), (31, 90675), (39, 72075), (45, 62465), (65, 43245), (75, 37479), (93, 30225), (117, 24025), (155, 18135), (195, 14415), (225, 12493), (279, 10075), (325, 8649), (403, 6975), (465, 6045), (585, 4805), (775, 3627), (961, 2925), (975, 2883), (1209, 2325), (1395, 2015)]