216479655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{827}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 441953280

約数和(自身を除く): 225473625

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 277, 315, 827, 831, 945, 1385, 1939, 2481, 2493, 4135, 4155, 5789, 5817, 7443, 7479, 9695, 12405, 12465, 17367, 17451, 22329, 28945, 29085, 37215, 37395, 52101, 52353, 86835, 87255, 111645, 156303, 229079, 260505, 261765, 687237, 781515, 1145395, 1603553, 2061711, 3436185, 4810659, 6185133, 8017765, 10308555, 14431977, 24053295, 30925665, 43295931, 72159885, 216479655]

約数ペア:

[(1, 216479655), (3, 72159885), (5, 43295931), (7, 30925665), (9, 24053295), (15, 14431977), (21, 10308555), (27, 8017765), (35, 6185133), (45, 4810659), (63, 3436185), (105, 2061711), (135, 1603553), (189, 1145395), (277, 781515), (315, 687237), (827, 261765), (831, 260505), (945, 229079), (1385, 156303), (1939, 111645), (2481, 87255), (2493, 86835), (4135, 52353), (4155, 52101), (5789, 37395), (5817, 37215), (7443, 29085), (7479, 28945), (9695, 22329), (12405, 17451), (12465, 17367)]