121713921

素因数分解:

$3^4\times 7^1\times {\mathrm{214663}}^1$

素因数の和:214682

約数の個数: 20

約数和(自身を含む): 207794752

約数和(自身を除く): 86080831

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 214663, 643989, 1502641, 1931967, 4507923, 5795901, 13523769, 17387703, 40571307, 121713921]

約数ペア:

[(1, 121713921), (3, 40571307), (7, 17387703), (9, 13523769), (21, 5795901), (27, 4507923), (63, 1931967), (81, 1502641), (189, 643989), (567, 214663)]