12147105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 20507904

約数和(自身を除く): 8360799

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 257, 345, 411, 685, 771, 1285, 2055, 3151, 3855, 5911, 9453, 15755, 17733, 29555, 35209, 47265, 88665, 105627, 176045, 528135, 809807, 2429421, 4049035, 12147105]

約数ペア:

[(1, 12147105), (3, 4049035), (5, 2429421), (15, 809807), (23, 528135), (69, 176045), (115, 105627), (137, 88665), (257, 47265), (345, 35209), (411, 29555), (685, 17733), (771, 15755), (1285, 9453), (2055, 5911), (3151, 3855)]