31490173

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 38209248

約数和(自身を除く): 6719075

約数列:

[1, 11, 13, 41, 131, 143, 451, 533, 1441, 1681, 1703, 5371, 5863, 18491, 18733, 21853, 59081, 69823, 220211, 240383, 768053, 2422321, 2862743, 31490173]

約数ペア:

[(1, 31490173), (11, 2862743), (13, 2422321), (41, 768053), (131, 240383), (143, 220211), (451, 69823), (533, 59081), (1441, 21853), (1681, 18733), (1703, 18491), (5371, 5863)]