28917369

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 45165120

約数和(自身を除く): 16247751

約数列:

[1, 3, 9, 13, 39, 117, 439, 563, 1317, 1689, 3951, 5067, 5707, 7319, 17121, 21957, 51363, 65871, 247157, 741471, 2224413, 3213041, 9639123, 28917369]

約数ペア:

[(1, 28917369), (3, 9639123), (9, 3213041), (13, 2224413), (39, 741471), (117, 247157), (439, 65871), (563, 51363), (1317, 21957), (1689, 17121), (3951, 7319), (5067, 5707)]