172885503

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18839}}^1$

素因数の和:18891

約数の個数: 32

約数和(自身を含む): 289382400

約数和(自身を除く): 116496897

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 18839, 56517, 131873, 357941, 395619, 433297, 1073823, 1299891, 2505587, 3033079, 7516761, 8232643, 9099237, 24697929, 57628501, 172885503]

約数ペア:

[(1, 172885503), (3, 57628501), (7, 24697929), (19, 9099237), (21, 8232643), (23, 7516761), (57, 3033079), (69, 2505587), (133, 1299891), (161, 1073823), (399, 433297), (437, 395619), (483, 357941), (1311, 131873), (3059, 56517), (9177, 18839)]