18230409

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 28799056

約数和(自身を除く): 10568647

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 163, 289, 387, 489, 731, 867, 1467, 2193, 2601, 2771, 6579, 7009, 8313, 12427, 21027, 24939, 37281, 47107, 63081, 111843, 119153, 141321, 357459, 423963, 1072377, 2025601, 6076803, 18230409]

約数ペア:

[(1, 18230409), (3, 6076803), (9, 2025601), (17, 1072377), (43, 423963), (51, 357459), (129, 141321), (153, 119153), (163, 111843), (289, 63081), (387, 47107), (489, 37281), (731, 24939), (867, 21027), (1467, 12427), (2193, 8313), (2601, 7009), (2771, 6579)]