72439479

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7717}}^1$

素因数の和:7879

約数の個数: 24

約数和(自身を含む): 120400800

約数和(自身を除く): 47961321

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 7717, 9387, 23151, 54019, 69453, 162057, 486171, 1149833, 3449499, 8048831, 10348497, 24146493, 72439479]

約数ペア:

[(1, 72439479), (3, 24146493), (7, 10348497), (9, 8048831), (21, 3449499), (63, 1149833), (149, 486171), (447, 162057), (1043, 69453), (1341, 54019), (3129, 23151), (7717, 9387)]