2647203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 3843840

約数和(自身を除く): 1196637

約数列:

[1, 3, 13, 39, 103, 309, 659, 1339, 1977, 4017, 8567, 25701, 67877, 203631, 882401, 2647203]

約数ペア:

[(1, 2647203), (3, 882401), (13, 203631), (39, 67877), (103, 25701), (309, 8567), (659, 4017), (1339, 1977)]