15778581

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 26799360

約数和(自身を除く): 11020779

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 1993, 2639, 5979, 7917, 13951, 25909, 41853, 57797, 77727, 173391, 181363, 404579, 544089, 751361, 1213737, 2254083, 5259527, 15778581]

約数ペア:

[(1, 15778581), (3, 5259527), (7, 2254083), (13, 1213737), (21, 751361), (29, 544089), (39, 404579), (87, 181363), (91, 173391), (203, 77727), (273, 57797), (377, 41853), (609, 25909), (1131, 13951), (1993, 7917), (2639, 5979)]