220955337

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1618

約数の個数: 32

約数和(自身を含む): 336384000

約数和(自身を除く): 115428663

約数列:

[1, 3, 9, 27, 71, 79, 213, 237, 639, 711, 1459, 1917, 2133, 4377, 5609, 13131, 16827, 39393, 50481, 103589, 115261, 151443, 310767, 345783, 932301, 1037349, 2796903, 3112047, 8183531, 24550593, 73651779, 220955337]

約数ペア:

[(1, 220955337), (3, 73651779), (9, 24550593), (27, 8183531), (71, 3112047), (79, 2796903), (213, 1037349), (237, 932301), (639, 345783), (711, 310767), (1459, 151443), (1917, 115261), (2133, 103589), (4377, 50481), (5609, 39393), (13131, 16827)]