2019980775

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{6803}}^1$

素因数の和:6960

約数の個数: 48

約数和(自身を含む): 3462528384

約数和(自身を除く): 1442547609

約数列:

[1, 3, 5, 15, 25, 37, 75, 107, 111, 185, 321, 535, 555, 925, 1605, 2675, 2775, 3959, 6803, 8025, 11877, 19795, 20409, 34015, 59385, 98975, 102045, 170075, 251711, 296925, 510225, 727921, 755133, 1258555, 2183763, 3639605, 3775665, 6292775, 10918815, 18198025, 18878325, 26933077, 54594075, 80799231, 134665385, 403996155, 673326925, 2019980775]

約数ペア:

[(1, 2019980775), (3, 673326925), (5, 403996155), (15, 134665385), (25, 80799231), (37, 54594075), (75, 26933077), (107, 18878325), (111, 18198025), (185, 10918815), (321, 6292775), (535, 3775665), (555, 3639605), (925, 2183763), (1605, 1258555), (2675, 755133), (2775, 727921), (3959, 510225), (6803, 296925), (8025, 251711), (11877, 170075), (19795, 102045), (20409, 98975), (34015, 59385)]