18288255

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 12048513

約数列:

[1, 3, 5, 15, 41, 123, 131, 205, 227, 393, 615, 655, 681, 1135, 1965, 3405, 5371, 9307, 16113, 26855, 27921, 29737, 46535, 80565, 89211, 139605, 148685, 446055, 1219217, 3657651, 6096085, 18288255]

約数ペア:

[(1, 18288255), (3, 6096085), (5, 3657651), (15, 1219217), (41, 446055), (123, 148685), (131, 139605), (205, 89211), (227, 80565), (393, 46535), (615, 29737), (655, 27921), (681, 26855), (1135, 16113), (1965, 9307), (3405, 5371)]