7935921

素因数分解:

$3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 13568000

約数和(自身を除く): 5632079

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 199, 211, 597, 633, 1393, 1477, 1791, 1899, 4179, 4431, 5373, 5697, 12537, 13293, 37611, 39879, 41989, 125967, 293923, 377901, 881769, 1133703, 2645307, 7935921]

約数ペア:

[(1, 7935921), (3, 2645307), (7, 1133703), (9, 881769), (21, 377901), (27, 293923), (63, 125967), (189, 41989), (199, 39879), (211, 37611), (597, 13293), (633, 12537), (1393, 5697), (1477, 5373), (1791, 4431), (1899, 4179)]