71533553

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 91483392

約数和(自身を除く): 19949839

約数列:

[1, 7, 13, 43, 91, 101, 181, 301, 559, 707, 1267, 1313, 2353, 3913, 4343, 7783, 9191, 16471, 18281, 30401, 54481, 56459, 101179, 127967, 237653, 395213, 708253, 786083, 1663571, 5502581, 10219079, 71533553]

約数ペア:

[(1, 71533553), (7, 10219079), (13, 5502581), (43, 1663571), (91, 786083), (101, 708253), (181, 395213), (301, 237653), (559, 127967), (707, 101179), (1267, 56459), (1313, 54481), (2353, 30401), (3913, 18281), (4343, 16471), (7783, 9191)]