81818331

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7393}}^1$

素因数の和:7451

約数の個数: 32

約数和(自身を含む): 136286208

約数和(自身を除く): 54467877

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 7393, 11067, 22179, 51751, 125681, 155253, 229183, 377043, 687549, 879767, 1604281, 2639301, 3896111, 4812843, 11688333, 27272777, 81818331]

約数ペア:

[(1, 81818331), (3, 27272777), (7, 11688333), (17, 4812843), (21, 3896111), (31, 2639301), (51, 1604281), (93, 879767), (119, 687549), (217, 377043), (357, 229183), (527, 155253), (651, 125681), (1581, 51751), (3689, 22179), (7393, 11067)]