28360059

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 47925504

約数和(自身を除く): 19565445

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 131, 169, 183, 273, 393, 427, 507, 793, 917, 1183, 1281, 1703, 2379, 2751, 3549, 5109, 5551, 7991, 10309, 11921, 16653, 22139, 23973, 30927, 35763, 55937, 66417, 72163, 103883, 154973, 167811, 216489, 311649, 464919, 727181, 1350479, 2181543, 4051437, 9453353, 28360059]

約数ペア:

[(1, 28360059), (3, 9453353), (7, 4051437), (13, 2181543), (21, 1350479), (39, 727181), (61, 464919), (91, 311649), (131, 216489), (169, 167811), (183, 154973), (273, 103883), (393, 72163), (427, 66417), (507, 55937), (793, 35763), (917, 30927), (1183, 23973), (1281, 22139), (1703, 16653), (2379, 11921), (2751, 10309), (3549, 7991), (5109, 5551)]