16572765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 30489984

約数和(自身を除く): 13917219

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 121, 165, 253, 345, 363, 397, 605, 759, 1191, 1265, 1815, 1985, 2783, 3795, 4367, 5955, 8349, 9131, 13101, 13915, 21835, 27393, 41745, 45655, 48037, 65505, 100441, 136965, 144111, 240185, 301323, 502205, 720555, 1104851, 1506615, 3314553, 5524255, 16572765]

約数ペア:

[(1, 16572765), (3, 5524255), (5, 3314553), (11, 1506615), (15, 1104851), (23, 720555), (33, 502205), (55, 301323), (69, 240185), (115, 144111), (121, 136965), (165, 100441), (253, 65505), (345, 48037), (363, 45655), (397, 41745), (605, 27393), (759, 21835), (1191, 13915), (1265, 13101), (1815, 9131), (1985, 8349), (2783, 5955), (3795, 4367)]