1520323

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 1969920

約数和(自身を除く): 449597

約数列:

[1, 7, 19, 23, 49, 71, 133, 161, 437, 497, 931, 1127, 1349, 1633, 3059, 3479, 9443, 11431, 21413, 31027, 66101, 80017, 217189, 1520323]

約数ペア:

[(1, 1520323), (7, 217189), (19, 80017), (23, 66101), (49, 31027), (71, 21413), (133, 11431), (161, 9443), (437, 3479), (497, 3059), (931, 1633), (1127, 1349)]