16971747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 25025616

約数和(自身を除く): 8053869

約数列:

[1, 3, 13, 39, 47, 141, 197, 591, 611, 1833, 2209, 2561, 6627, 7683, 9259, 27777, 28717, 86151, 120367, 361101, 435173, 1305519, 5657249, 16971747]

約数ペア:

[(1, 16971747), (3, 5657249), (13, 1305519), (39, 435173), (47, 361101), (141, 120367), (197, 86151), (591, 28717), (611, 27777), (1833, 9259), (2209, 7683), (2561, 6627)]