201911913

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{13523}}^1$

素因数の和:13618

約数の個数: 32

約数和(自身を含む): 346214400

約数和(自身を除く): 144302487

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1659, 2133, 4977, 13523, 14931, 40569, 94661, 121707, 283983, 365121, 851949, 1068317, 2555847, 3204951, 7478219, 9614853, 22434657, 28844559, 67303971, 201911913]

約数ペア:

[(1, 201911913), (3, 67303971), (7, 28844559), (9, 22434657), (21, 9614853), (27, 7478219), (63, 3204951), (79, 2555847), (189, 1068317), (237, 851949), (553, 365121), (711, 283983), (1659, 121707), (2133, 94661), (4977, 40569), (13523, 14931)]