78457869

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1967

約数の個数: 48

約数和(自身を含む): 139645440

約数和(自身を除く): 61187571

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 651, 837, 1323, 1519, 1913, 1953, 4557, 5739, 5859, 13391, 13671, 17217, 40173, 41013, 51651, 59303, 93737, 120519, 177909, 281211, 361557, 415121, 533727, 843633, 1245363, 1601181, 2530899, 2905847, 3736089, 8717541, 11208267, 26152623, 78457869]

約数ペア:

[(1, 78457869), (3, 26152623), (7, 11208267), (9, 8717541), (21, 3736089), (27, 2905847), (31, 2530899), (49, 1601181), (63, 1245363), (93, 843633), (147, 533727), (189, 415121), (217, 361557), (279, 281211), (441, 177909), (651, 120519), (837, 93737), (1323, 59303), (1519, 51651), (1913, 41013), (1953, 40173), (4557, 17217), (5739, 13671), (5859, 13391)]