19710207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2237}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 31421520

約数和(自身を除く): 11711313

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 2237, 2937, 6711, 8811, 20133, 24607, 73821, 199093, 221463, 597279, 1791837, 2190023, 6570069, 19710207]

約数ペア:

[(1, 19710207), (3, 6570069), (9, 2190023), (11, 1791837), (33, 597279), (89, 221463), (99, 199093), (267, 73821), (801, 24607), (979, 20133), (2237, 8811), (2937, 6711)]