16783221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4729}}^1$

素因数の和:4765

約数の個数: 24

約数和(自身を含む): 27698880

約数和(自身を除く): 10915659

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 4729, 14187, 33103, 61477, 99309, 184431, 430339, 799201, 1291017, 2397603, 5594407, 16783221]

約数ペア:

[(1, 16783221), (3, 5594407), (7, 2397603), (13, 1291017), (21, 799201), (39, 430339), (91, 184431), (169, 99309), (273, 61477), (507, 33103), (1183, 14187), (3549, 4729)]