28218099

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{7951}}^1$

素因数の和:7987

約数の個数: 24

約数和(自身を含む): 46566912

約数和(自身を除く): 18348813

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 7951, 23853, 55657, 103363, 166971, 310089, 723541, 1343719, 2170623, 4031157, 9406033, 28218099]

約数ペア:

[(1, 28218099), (3, 9406033), (7, 4031157), (13, 2170623), (21, 1343719), (39, 723541), (91, 310089), (169, 166971), (273, 103363), (507, 55657), (1183, 23853), (3549, 7951)]