768081987

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 1232824320

約数和(自身を除く): 464742333

約数列:

[1, 3, 9, 23, 27, 41, 69, 97, 123, 207, 291, 311, 369, 621, 873, 933, 943, 1107, 2231, 2619, 2799, 2829, 3977, 6693, 7153, 8397, 8487, 11931, 12751, 20079, 21459, 25461, 30167, 35793, 38253, 60237, 64377, 90501, 91471, 107379, 114759, 193131, 271503, 274413, 293273, 344277, 693841, 814509, 823239, 879819, 1236847, 2081523, 2469717, 2639457, 3710541, 6244569, 7918371, 11131623, 18733707, 28447481, 33394869, 85342443, 256027329, 768081987]

約数ペア:

[(1, 768081987), (3, 256027329), (9, 85342443), (23, 33394869), (27, 28447481), (41, 18733707), (69, 11131623), (97, 7918371), (123, 6244569), (207, 3710541), (291, 2639457), (311, 2469717), (369, 2081523), (621, 1236847), (873, 879819), (933, 823239), (943, 814509), (1107, 693841), (2231, 344277), (2619, 293273), (2799, 274413), (2829, 271503), (3977, 193131), (6693, 114759), (7153, 107379), (8397, 91471), (8487, 90501), (11931, 64377), (12751, 60237), (20079, 38253), (21459, 35793), (25461, 30167)]