81156556854

素因数分解:

$2^1\times 3^3\times {\mathrm{223679}}^1\times {\mathrm{6719}}^1$

素因数の和:230409

約数の個数: 32

約数和(自身を含む): 180375552000

約数和(自身を除く): 99218995146

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 6719, 13438, 20157, 40314, 60471, 120942, 181413, 223679, 362826, 447358, 671037, 1342074, 2013111, 4026222, 6039333, 12078666, 1502899201, 3005798402, 4508697603, 9017395206, 13526092809, 27052185618, 40578278427, 81156556854]

約数ペア:

[(1, 81156556854), (2, 40578278427), (3, 27052185618), (6, 13526092809), (9, 9017395206), (18, 4508697603), (27, 3005798402), (54, 1502899201), (6719, 12078666), (13438, 6039333), (20157, 4026222), (40314, 2013111), (60471, 1342074), (120942, 671037), (181413, 447358), (223679, 362826)]