2820675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 5499648

約数和(自身を除く): 2678973

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 263, 275, 325, 429, 715, 789, 825, 975, 1315, 2145, 2893, 3419, 3575, 3945, 6575, 8679, 10257, 10725, 14465, 17095, 19725, 37609, 43395, 51285, 72325, 85475, 112827, 188045, 216975, 256425, 564135, 940225, 2820675]

約数ペア:

[(1, 2820675), (3, 940225), (5, 564135), (11, 256425), (13, 216975), (15, 188045), (25, 112827), (33, 85475), (39, 72325), (55, 51285), (65, 43395), (75, 37609), (143, 19725), (165, 17095), (195, 14465), (263, 10725), (275, 10257), (325, 8679), (429, 6575), (715, 3945), (789, 3575), (825, 3419), (975, 2893), (1315, 2145)]