215516463

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{587}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 319044096

約数和(自身を除く): 103527633

約数列:

[1, 3, 17, 23, 51, 69, 313, 391, 587, 939, 1173, 1761, 5321, 7199, 9979, 13501, 15963, 21597, 29937, 40503, 122383, 183731, 229517, 367149, 551193, 688551, 3123427, 4225813, 9370281, 12677439, 71838821, 215516463]

約数ペア:

[(1, 215516463), (3, 71838821), (17, 12677439), (23, 9370281), (51, 4225813), (69, 3123427), (313, 688551), (391, 551193), (587, 367149), (939, 229517), (1173, 183731), (1761, 122383), (5321, 40503), (7199, 29937), (9979, 21597), (13501, 15963)]