28368801

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 43700904

約数和(自身を除く): 15332103

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 1181, 1413, 2669, 3543, 8007, 10629, 20077, 24021, 60231, 180693, 185417, 556251, 1668753, 3152089, 9456267, 28368801]

約数ペア:

[(1, 28368801), (3, 9456267), (9, 3152089), (17, 1668753), (51, 556251), (153, 185417), (157, 180693), (471, 60231), (1181, 24021), (1413, 20077), (2669, 10629), (3543, 8007)]