205156917

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{41221}}^1$

素因数の和:41313

約数の個数: 24

約数和(自身を含む): 342967040

約数和(自身を除く): 137810123

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 41221, 123663, 288547, 370989, 865641, 2596923, 3256459, 9769377, 22795213, 29308131, 68385639, 205156917]

約数ペア:

[(1, 205156917), (3, 68385639), (7, 29308131), (9, 22795213), (21, 9769377), (63, 3256459), (79, 2596923), (237, 865641), (553, 370989), (711, 288547), (1659, 123663), (4977, 41221)]