81790902

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{105673}}^1$

素因数の和:105724

約数の個数: 24

約数和(自身を含む): 181336584

約数和(自身を除く): 99545682

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 105673, 211346, 317019, 634038, 951057, 1902114, 4543939, 9087878, 13631817, 27263634, 40895451, 81790902]

約数ペア:

[(1, 81790902), (2, 40895451), (3, 27263634), (6, 13631817), (9, 9087878), (18, 4543939), (43, 1902114), (86, 951057), (129, 634038), (258, 317019), (387, 211346), (774, 105673)]