1287467493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{23801}}^1$

素因数の和:23909

約数の個数: 32

約数和(自身を含む): 1972709760

約数和(自身を除く): 685242267

約数列:

[1, 3, 13, 19, 39, 57, 73, 219, 247, 741, 949, 1387, 2847, 4161, 18031, 23801, 54093, 71403, 309413, 452219, 928239, 1356657, 1737473, 5212419, 5878847, 17636541, 22587149, 33011987, 67761447, 99035961, 429155831, 1287467493]

約数ペア:

[(1, 1287467493), (3, 429155831), (13, 99035961), (19, 67761447), (39, 33011987), (57, 22587149), (73, 17636541), (219, 5878847), (247, 5212419), (741, 1737473), (949, 1356657), (1387, 928239), (2847, 452219), (4161, 309413), (18031, 71403), (23801, 54093)]