201556503

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{2969}}^1$

素因数の和:3391

約数の個数: 24

約数和(自身を含む): 307335600

約数和(自身を除く): 105779097

約数列:

[1, 3, 9, 19, 57, 171, 397, 1191, 2969, 3573, 7543, 8907, 22629, 26721, 56411, 67887, 169233, 507699, 1178693, 3536079, 10608237, 22395167, 67185501, 201556503]

約数ペア:

[(1, 201556503), (3, 67185501), (9, 22395167), (19, 10608237), (57, 3536079), (171, 1178693), (397, 507699), (1191, 169233), (2969, 67887), (3573, 56411), (7543, 26721), (8907, 22629)]