1215212031

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 2010493440

約数和(自身を除く): 795281409

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 173, 201, 297, 353, 519, 603, 737, 1059, 1557, 1809, 1903, 2211, 3177, 3883, 4671, 5709, 6633, 9531, 11591, 11649, 17127, 19899, 23651, 34773, 34947, 51381, 61069, 70953, 104319, 104841, 127501, 183207, 212859, 260161, 312957, 382503, 549621, 638577, 671759, 780483, 1147509, 1648863, 2015277, 2341449, 3442527, 4091623, 6045831, 7024347, 12274869, 18137493, 36824607, 45007853, 110473821, 135023559, 405070677, 1215212031]

約数ペア:

[(1, 1215212031), (3, 405070677), (9, 135023559), (11, 110473821), (27, 45007853), (33, 36824607), (67, 18137493), (99, 12274869), (173, 7024347), (201, 6045831), (297, 4091623), (353, 3442527), (519, 2341449), (603, 2015277), (737, 1648863), (1059, 1147509), (1557, 780483), (1809, 671759), (1903, 638577), (2211, 549621), (3177, 382503), (3883, 312957), (4671, 260161), (5709, 212859), (6633, 183207), (9531, 127501), (11591, 104841), (11649, 104319), (17127, 70953), (19899, 61069), (23651, 51381), (34773, 34947)]