15511721961

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{126047}}^1$

素因数の和:126213

約数の個数: 32

約数和(自身を含む): 23233167360

約数和(自身を除く): 7721445399

約数列:

[1, 3, 17, 19, 51, 57, 127, 323, 381, 969, 2159, 2413, 6477, 7239, 41021, 123063, 126047, 378141, 2142799, 2394893, 6428397, 7184679, 16007969, 40713181, 48023907, 122139543, 272135473, 304151411, 816406419, 912454233, 5170573987, 15511721961]

約数ペア:

[(1, 15511721961), (3, 5170573987), (17, 912454233), (19, 816406419), (51, 304151411), (57, 272135473), (127, 122139543), (323, 48023907), (381, 40713181), (969, 16007969), (2159, 7184679), (2413, 6428397), (6477, 2394893), (7239, 2142799), (41021, 378141), (123063, 126047)]