311293437

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 517201920

約数和(自身を除く): 205908483

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 239, 273, 367, 507, 717, 1101, 1183, 1673, 2569, 3107, 3549, 4771, 5019, 7707, 9321, 14313, 21749, 33397, 40391, 62023, 65247, 87713, 100191, 121173, 186069, 263139, 282737, 434161, 613991, 848211, 1140269, 1302483, 1841973, 3420807, 7981883, 14823497, 23945649, 44470491, 103764479, 311293437]

約数ペア:

[(1, 311293437), (3, 103764479), (7, 44470491), (13, 23945649), (21, 14823497), (39, 7981883), (91, 3420807), (169, 1841973), (239, 1302483), (273, 1140269), (367, 848211), (507, 613991), (717, 434161), (1101, 282737), (1183, 263139), (1673, 186069), (2569, 121173), (3107, 100191), (3549, 87713), (4771, 65247), (5019, 62023), (7707, 40391), (9321, 33397), (14313, 21749)]