81490695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37991}}^1$

素因数の和:38023

約数の個数: 32

約数和(自身を含む): 153183744

約数和(自身を除く): 71693049

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 37991, 113973, 189955, 417901, 493883, 569865, 1253703, 1481649, 2089505, 2469415, 5432713, 6268515, 7408245, 16298139, 27163565, 81490695]

約数ペア:

[(1, 81490695), (3, 27163565), (5, 16298139), (11, 7408245), (13, 6268515), (15, 5432713), (33, 2469415), (39, 2089505), (55, 1481649), (65, 1253703), (143, 569865), (165, 493883), (195, 417901), (429, 189955), (715, 113973), (2145, 37991)]