121520889

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13877}}^1$

素因数の和:14029

約数の個数: 24

約数和(自身を含む): 202063680

約数和(自身を除く): 80542791

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 13877, 41631, 97139, 124893, 291417, 874251, 1928903, 5786709, 13502321, 17360127, 40506963, 121520889]

約数ペア:

[(1, 121520889), (3, 40506963), (7, 17360127), (9, 13502321), (21, 5786709), (63, 1928903), (139, 874251), (417, 291417), (973, 124893), (1251, 97139), (2919, 41631), (8757, 13877)]