78665985

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10223}}^1$

素因数の和:10259

約数の個数: 40

約数和(自身を含む): 148452480

約数和(自身を除く): 69786495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 10223, 30669, 51115, 92007, 153345, 194237, 276021, 460035, 582711, 828063, 971185, 1380105, 1748133, 2913555, 4140315, 5244399, 8740665, 15733197, 26221995, 78665985]

約数ペア:

[(1, 78665985), (3, 26221995), (5, 15733197), (9, 8740665), (15, 5244399), (19, 4140315), (27, 2913555), (45, 1748133), (57, 1380105), (81, 971185), (95, 828063), (135, 582711), (171, 460035), (285, 276021), (405, 194237), (513, 153345), (855, 92007), (1539, 51115), (2565, 30669), (7695, 10223)]