216316359

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^2\times {\mathrm{619}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 375571200

約数和(自身を除く): 159254841

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 619, 903, 1161, 1849, 1857, 2709, 4333, 5547, 5571, 8127, 12943, 12999, 16641, 16713, 26617, 38829, 38997, 49923, 79851, 116487, 116991, 186319, 239553, 349461, 558957, 718659, 1144531, 1676871, 3433593, 5030613, 8011717, 10300779, 24035151, 30902337, 72105453, 216316359]

約数ペア:

[(1, 216316359), (3, 72105453), (7, 30902337), (9, 24035151), (21, 10300779), (27, 8011717), (43, 5030613), (63, 3433593), (129, 1676871), (189, 1144531), (301, 718659), (387, 558957), (619, 349461), (903, 239553), (1161, 186319), (1849, 116991), (1857, 116487), (2709, 79851), (4333, 49923), (5547, 38997), (5571, 38829), (8127, 26617), (12943, 16713), (12999, 16641)]