72679971

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{20479}}^1$

素因数の和:20515

約数の個数: 24

約数和(自身を含む): 119930880

約数和(自身を除く): 47250909

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 20479, 61437, 143353, 266227, 430059, 798681, 1863589, 3460951, 5590767, 10382853, 24226657, 72679971]

約数ペア:

[(1, 72679971), (3, 24226657), (7, 10382853), (13, 5590767), (21, 3460951), (39, 1863589), (91, 798681), (169, 430059), (273, 266227), (507, 143353), (1183, 61437), (3549, 20479)]