2565765

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 4837248

約数和(自身を除く): 2271483

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 67, 69, 111, 115, 185, 201, 207, 333, 335, 345, 555, 603, 851, 1005, 1035, 1541, 1665, 2479, 2553, 3015, 4255, 4623, 7437, 7659, 7705, 12395, 12765, 13869, 22311, 23115, 37185, 38295, 57017, 69345, 111555, 171051, 285085, 513153, 855255, 2565765]

約数ペア:

[(1, 2565765), (3, 855255), (5, 513153), (9, 285085), (15, 171051), (23, 111555), (37, 69345), (45, 57017), (67, 38295), (69, 37185), (111, 23115), (115, 22311), (185, 13869), (201, 12765), (207, 12395), (333, 7705), (335, 7659), (345, 7437), (555, 4623), (603, 4255), (851, 3015), (1005, 2553), (1035, 2479), (1541, 1665)]