79081821

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 141546496

約数和(自身を除く): 62464675

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 223, 273, 433, 669, 819, 1299, 1561, 2007, 2899, 3031, 3897, 4683, 5629, 8697, 9093, 14049, 16887, 20293, 26091, 27279, 39403, 50661, 60879, 96559, 118209, 182637, 289677, 354627, 675913, 869031, 1255267, 2027739, 3765801, 6083217, 8786869, 11297403, 26360607, 79081821]

約数ペア:

[(1, 79081821), (3, 26360607), (7, 11297403), (9, 8786869), (13, 6083217), (21, 3765801), (39, 2027739), (63, 1255267), (91, 869031), (117, 675913), (223, 354627), (273, 289677), (433, 182637), (669, 118209), (819, 96559), (1299, 60879), (1561, 50661), (2007, 39403), (2899, 27279), (3031, 26091), (3897, 20293), (4683, 16887), (5629, 14049), (8697, 9093)]