1215585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 2560896

約数和(自身を除く): 1345311

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 227, 255, 315, 357, 595, 681, 765, 1071, 1135, 1589, 1785, 2043, 3405, 3859, 4767, 5355, 7945, 10215, 11577, 14301, 19295, 23835, 27013, 34731, 57885, 71505, 81039, 135065, 173655, 243117, 405195, 1215585]

約数ペア:

[(1, 1215585), (3, 405195), (5, 243117), (7, 173655), (9, 135065), (15, 81039), (17, 71505), (21, 57885), (35, 34731), (45, 27013), (51, 23835), (63, 19295), (85, 14301), (105, 11577), (119, 10215), (153, 7945), (227, 5355), (255, 4767), (315, 3859), (357, 3405), (595, 2043), (681, 1785), (765, 1589), (1071, 1135)]