1311687

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 2170560

約数和(自身を除く): 858873

約数列:

[1, 3, 9, 13, 27, 37, 39, 101, 111, 117, 303, 333, 351, 481, 909, 999, 1313, 1443, 2727, 3737, 3939, 4329, 11211, 11817, 12987, 33633, 35451, 48581, 100899, 145743, 437229, 1311687]

約数ペア:

[(1, 1311687), (3, 437229), (9, 145743), (13, 100899), (27, 48581), (37, 35451), (39, 33633), (101, 12987), (111, 11817), (117, 11211), (303, 4329), (333, 3939), (351, 3737), (481, 2727), (909, 1443), (999, 1313)]