15838641

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 28619136

約数和(自身を除く): 12780495

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 83, 91, 117, 233, 249, 273, 581, 699, 747, 819, 1079, 1631, 1743, 2097, 3029, 3237, 4893, 5229, 7553, 9087, 9711, 14679, 19339, 21203, 22659, 27261, 58017, 63609, 67977, 135373, 174051, 190827, 251407, 406119, 754221, 1218357, 1759849, 2262663, 5279547, 15838641]

約数ペア:

[(1, 15838641), (3, 5279547), (7, 2262663), (9, 1759849), (13, 1218357), (21, 754221), (39, 406119), (63, 251407), (83, 190827), (91, 174051), (117, 135373), (233, 67977), (249, 63609), (273, 58017), (581, 27261), (699, 22659), (747, 21203), (819, 19339), (1079, 14679), (1631, 9711), (1743, 9087), (2097, 7553), (3029, 5229), (3237, 4893)]