261355485

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{953}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 428613120

約数和(自身を除く): 167257635

約数列:

[1, 3, 5, 15, 47, 141, 235, 389, 705, 953, 1167, 1945, 2859, 4765, 5835, 14295, 18283, 44791, 54849, 91415, 134373, 223955, 274245, 370717, 671865, 1112151, 1853585, 5560755, 17423699, 52271097, 87118495, 261355485]

約数ペア:

[(1, 261355485), (3, 87118495), (5, 52271097), (15, 17423699), (47, 5560755), (141, 1853585), (235, 1112151), (389, 671865), (705, 370717), (953, 274245), (1167, 223955), (1945, 134373), (2859, 91415), (4765, 54849), (5835, 44791), (14295, 18283)]