780097959

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2309}}^1$

素因数の和:2461

約数の個数: 40

約数和(自身を含む): 1205247120

約数和(自身を除く): 425149161

約数列:

[1, 3, 9, 27, 43, 81, 97, 129, 291, 387, 873, 1161, 2309, 2619, 3483, 4171, 6927, 7857, 12513, 20781, 37539, 62343, 99287, 112617, 187029, 223973, 297861, 337851, 671919, 893583, 2015757, 2680749, 6047271, 8042247, 9630839, 18141813, 28892517, 86677551, 260032653, 780097959]

約数ペア:

[(1, 780097959), (3, 260032653), (9, 86677551), (27, 28892517), (43, 18141813), (81, 9630839), (97, 8042247), (129, 6047271), (291, 2680749), (387, 2015757), (873, 893583), (1161, 671919), (2309, 337851), (2619, 297861), (3483, 223973), (4171, 187029), (6927, 112617), (7857, 99287), (12513, 62343), (20781, 37539)]