28423941

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8009}}^1$

素因数の和:8045

約数の個数: 24

約数和(自身を含む): 46906560

約数和(自身を除く): 18482619

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 8009, 24027, 56063, 104117, 168189, 312351, 728819, 1353521, 2186457, 4060563, 9474647, 28423941]

約数ペア:

[(1, 28423941), (3, 9474647), (7, 4060563), (13, 2186457), (21, 1353521), (39, 728819), (91, 312351), (169, 168189), (273, 104117), (507, 56063), (1183, 24027), (3549, 8009)]