31771257

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9397}}^1$

素因数の和:9437

約数の個数: 24

約数和(自身を含む): 51425856

約数和(自身を除く): 19654599

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 9397, 28191, 65779, 197337, 216131, 460453, 648393, 1381359, 1512917, 4538751, 10590419, 31771257]

約数ペア:

[(1, 31771257), (3, 10590419), (7, 4538751), (21, 1512917), (23, 1381359), (49, 648393), (69, 460453), (147, 216131), (161, 197337), (483, 65779), (1127, 28191), (3381, 9397)]