80520870609

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{20693}}^1\times {\mathrm{4649}}^1$

素因数の和:25382

約数の個数: 32

約数和(自身を含む): 123170688000

約数和(自身を除く): 42649817391

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 4649, 13947, 20693, 41841, 62079, 125523, 144119, 186237, 432357, 558711, 641483, 1297071, 1924449, 3891213, 5773347, 17320041, 96201757, 288605271, 865815813, 2597447439, 2982254467, 8946763401, 26840290203, 80520870609]

約数ペア:

[(1, 80520870609), (3, 26840290203), (9, 8946763401), (27, 2982254467), (31, 2597447439), (93, 865815813), (279, 288605271), (837, 96201757), (4649, 17320041), (13947, 5773347), (20693, 3891213), (41841, 1924449), (62079, 1297071), (125523, 641483), (144119, 558711), (186237, 432357)]