12889893

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 18874944

約数和(自身を除く): 5985051

約数列:

[1, 3, 17, 31, 51, 93, 263, 527, 789, 961, 1581, 2883, 4471, 8153, 13413, 16337, 24459, 49011, 138601, 252743, 415803, 758229, 4296631, 12889893]

約数ペア:

[(1, 12889893), (3, 4296631), (17, 758229), (31, 415803), (51, 252743), (93, 138601), (263, 49011), (527, 24459), (789, 16337), (961, 13413), (1581, 8153), (2883, 4471)]