15621771

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 23696640

約数和(自身を除く): 8074869

約数列:

[1, 3, 11, 33, 43, 101, 109, 129, 303, 327, 473, 1111, 1199, 1419, 3333, 3597, 4343, 4687, 11009, 13029, 14061, 33027, 47773, 51557, 121099, 143319, 154671, 363297, 473387, 1420161, 5207257, 15621771]

約数ペア:

[(1, 15621771), (3, 5207257), (11, 1420161), (33, 473387), (43, 363297), (101, 154671), (109, 143319), (129, 121099), (303, 51557), (327, 47773), (473, 33027), (1111, 14061), (1199, 13029), (1419, 11009), (3333, 4687), (3597, 4343)]