2566395

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 4953312

約数和(自身を除く): 2386917

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 107, 117, 123, 195, 205, 321, 369, 533, 535, 585, 615, 963, 1391, 1599, 1605, 1845, 2665, 4173, 4387, 4797, 4815, 6955, 7995, 12519, 13161, 20865, 21935, 23985, 39483, 57031, 62595, 65805, 171093, 197415, 285155, 513279, 855465, 2566395]

約数ペア:

[(1, 2566395), (3, 855465), (5, 513279), (9, 285155), (13, 197415), (15, 171093), (39, 65805), (41, 62595), (45, 57031), (65, 39483), (107, 23985), (117, 21935), (123, 20865), (195, 13161), (205, 12519), (321, 7995), (369, 6955), (533, 4815), (535, 4797), (585, 4387), (615, 4173), (963, 2665), (1391, 1845), (1599, 1605)]