201919767

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1721}}^1$

素因数の和:1919

約数の個数: 32

約数和(自身を含む): 318280704

約数和(自身を除く): 116360937

約数列:

[1, 3, 7, 21, 37, 111, 151, 259, 453, 777, 1057, 1721, 3171, 5163, 5587, 12047, 16761, 36141, 39109, 63677, 117327, 191031, 259871, 445739, 779613, 1337217, 1819097, 5457291, 9615227, 28845681, 67306589, 201919767]

約数ペア:

[(1, 201919767), (3, 67306589), (7, 28845681), (21, 9615227), (37, 5457291), (111, 1819097), (151, 1337217), (259, 779613), (453, 445739), (777, 259871), (1057, 191031), (1721, 117327), (3171, 63677), (5163, 39109), (5587, 36141), (12047, 16761)]