780056001

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1579}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 1242259200

約数和(自身を除く): 462203199

約数列:

[1, 3, 9, 19, 27, 57, 81, 107, 171, 243, 321, 513, 963, 1539, 1579, 2033, 2889, 4617, 4737, 6099, 8667, 14211, 18297, 26001, 30001, 42633, 54891, 90003, 127899, 164673, 168953, 270009, 383697, 494019, 506859, 810027, 1520577, 2430081, 3210107, 4561731, 7290243, 9630321, 13685193, 28890963, 41055579, 86672889, 260018667, 780056001]

約数ペア:

[(1, 780056001), (3, 260018667), (9, 86672889), (19, 41055579), (27, 28890963), (57, 13685193), (81, 9630321), (107, 7290243), (171, 4561731), (243, 3210107), (321, 2430081), (513, 1520577), (963, 810027), (1539, 506859), (1579, 494019), (2033, 383697), (2889, 270009), (4617, 168953), (4737, 164673), (6099, 127899), (8667, 90003), (14211, 54891), (18297, 42633), (26001, 30001)]