90409809

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{653}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 145658880

約数和(自身を除く): 55249071

約数列:

[1, 3, 7, 19, 21, 57, 133, 347, 399, 653, 1041, 1959, 2429, 4571, 6593, 7287, 12407, 13713, 19779, 37221, 46151, 86849, 138453, 226591, 260547, 679773, 1586137, 4305229, 4758411, 12915687, 30136603, 90409809]

約数ペア:

[(1, 90409809), (3, 30136603), (7, 12915687), (19, 4758411), (21, 4305229), (57, 1586137), (133, 679773), (347, 260547), (399, 226591), (653, 138453), (1041, 86849), (1959, 46151), (2429, 37221), (4571, 19779), (6593, 13713), (7287, 12407)]