31135377

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 53219328

約数和(自身を除く): 22083951

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 169, 217, 273, 283, 403, 507, 651, 849, 1183, 1209, 1981, 2821, 3549, 3679, 5239, 5943, 8463, 8773, 11037, 15717, 25753, 26319, 36673, 47827, 61411, 77259, 110019, 114049, 143481, 184233, 334789, 342147, 798343, 1004367, 1482637, 2395029, 4447911, 10378459, 31135377]

約数ペア:

[(1, 31135377), (3, 10378459), (7, 4447911), (13, 2395029), (21, 1482637), (31, 1004367), (39, 798343), (91, 342147), (93, 334789), (169, 184233), (217, 143481), (273, 114049), (283, 110019), (403, 77259), (507, 61411), (651, 47827), (849, 36673), (1183, 26319), (1209, 25753), (1981, 15717), (2821, 11037), (3549, 8773), (3679, 8463), (5239, 5943)]