213085905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{11447}}^1$

素因数の和:11545

約数の個数: 32

約数和(自身を含む): 365969664

約数和(自身を除く): 152883759

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1095, 1241, 3723, 6205, 11447, 18615, 34341, 57235, 171705, 194599, 583797, 835631, 972995, 2506893, 2918985, 4178155, 12534465, 14205727, 42617181, 71028635, 213085905]

約数ペア:

[(1, 213085905), (3, 71028635), (5, 42617181), (15, 14205727), (17, 12534465), (51, 4178155), (73, 2918985), (85, 2506893), (219, 972995), (255, 835631), (365, 583797), (1095, 194599), (1241, 171705), (3723, 57235), (6205, 34341), (11447, 18615)]