40872867

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31907}}^1$

素因数の和:31978

約数の個数: 16

約数和(自身を含む): 63305472

約数和(自身を除く): 22432605

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 31907, 95721, 223349, 670047, 1946327, 5838981, 13624289, 40872867]

約数ペア:

[(1, 40872867), (3, 13624289), (7, 5838981), (21, 1946327), (61, 670047), (183, 223349), (427, 95721), (1281, 31907)]