38881857

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 61422592

約数和(自身を除く): 22540735

約数列:

[1, 3, 7, 21, 37, 111, 163, 259, 307, 489, 777, 921, 1141, 2149, 3423, 6031, 6447, 11359, 18093, 34077, 42217, 50041, 79513, 126651, 150123, 238539, 350287, 1050861, 1851517, 5554551, 12960619, 38881857]

約数ペア:

[(1, 38881857), (3, 12960619), (7, 5554551), (21, 1851517), (37, 1050861), (111, 350287), (163, 238539), (259, 150123), (307, 126651), (489, 79513), (777, 50041), (921, 42217), (1141, 34077), (2149, 18093), (3423, 11359), (6031, 6447)]