40381809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 60555264

約数和(自身を除く): 20173455

約数列:

[1, 3, 13, 31, 39, 93, 127, 263, 381, 403, 789, 1209, 1651, 3419, 3937, 4953, 8153, 10257, 11811, 24459, 33401, 51181, 100203, 105989, 153543, 317967, 434213, 1035431, 1302639, 3106293, 13460603, 40381809]

約数ペア:

[(1, 40381809), (3, 13460603), (13, 3106293), (31, 1302639), (39, 1035431), (93, 434213), (127, 317967), (263, 153543), (381, 105989), (403, 100203), (789, 51181), (1209, 33401), (1651, 24459), (3419, 11811), (3937, 10257), (4953, 8153)]