2005122015

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{2039}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 3838292640

約数和(自身を除く): 1833170625

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 1599, 1681, 1845, 2039, 2665, 4797, 5043, 6117, 7995, 8405, 10195, 15129, 18351, 21853, 23985, 25215, 26507, 30585, 65559, 75645, 79521, 83599, 91755, 109265, 132535, 196677, 238563, 250797, 327795, 397605, 417995, 752391, 983385, 1086787, 1192815, 1253985, 3260361, 3427559, 3761955, 5433935, 9781083, 10282677, 16301805, 17137795, 30848031, 44558267, 48905415, 51413385, 133674801, 154240155, 222791335, 401024403, 668374005, 2005122015]

約数ペア:

[(1, 2005122015), (3, 668374005), (5, 401024403), (9, 222791335), (13, 154240155), (15, 133674801), (39, 51413385), (41, 48905415), (45, 44558267), (65, 30848031), (117, 17137795), (123, 16301805), (195, 10282677), (205, 9781083), (369, 5433935), (533, 3761955), (585, 3427559), (615, 3260361), (1599, 1253985), (1681, 1192815), (1845, 1086787), (2039, 983385), (2665, 752391), (4797, 417995), (5043, 397605), (6117, 327795), (7995, 250797), (8405, 238563), (10195, 196677), (15129, 132535), (18351, 109265), (21853, 91755), (23985, 83599), (25215, 79521), (26507, 75645), (30585, 65559)]