69646689

素因数分解:

$3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 122135040

約数和(自身を除く): 52488351

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 427, 441, 549, 863, 1281, 1323, 1647, 2589, 2989, 3843, 6041, 7767, 8967, 11529, 18123, 23301, 26901, 42287, 52643, 54369, 80703, 126861, 157929, 163107, 368501, 380583, 473787, 1105503, 1141749, 1421361, 2579507, 3316509, 7738521, 9949527, 23215563, 69646689]

約数ペア:

[(1, 69646689), (3, 23215563), (7, 9949527), (9, 7738521), (21, 3316509), (27, 2579507), (49, 1421361), (61, 1141749), (63, 1105503), (147, 473787), (183, 380583), (189, 368501), (427, 163107), (441, 157929), (549, 126861), (863, 80703), (1281, 54369), (1323, 52643), (1647, 42287), (2589, 26901), (2989, 23301), (3843, 18123), (6041, 11529), (7767, 8967)]