221609637

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{9721}}^1$

素因数の和:9893

約数の個数: 24

約数和(自身を含む): 341242200

約数和(自身を除く): 119632563

約数列:

[1, 3, 9, 17, 51, 149, 153, 447, 1341, 2533, 7599, 9721, 22797, 29163, 87489, 165257, 495771, 1448429, 1487313, 4345287, 13035861, 24623293, 73869879, 221609637]

約数ペア:

[(1, 221609637), (3, 73869879), (9, 24623293), (17, 13035861), (51, 4345287), (149, 1487313), (153, 1448429), (447, 495771), (1341, 165257), (2533, 87489), (7599, 29163), (9721, 22797)]