491103

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 24

約数和(自身を含む): 768768

約数和(自身を除く): 277665

約数列:

[1, 3, 9, 27, 43, 47, 81, 129, 141, 243, 387, 423, 1161, 1269, 2021, 3483, 3807, 6063, 10449, 11421, 18189, 54567, 163701, 491103]

約数ペア:

[(1, 491103), (3, 163701), (9, 54567), (27, 18189), (43, 11421), (47, 10449), (81, 6063), (129, 3807), (141, 3483), (243, 2021), (387, 1269), (423, 1161)]