210195

素因数分解:

$3^5\times 5^1\times {\mathrm{173}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 380016

約数和(自身を除く): 169821

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 243, 405, 519, 865, 1215, 1557, 2595, 4671, 7785, 14013, 23355, 42039, 70065, 210195]

約数ペア:

[(1, 210195), (3, 70065), (5, 42039), (9, 23355), (15, 14013), (27, 7785), (45, 4671), (81, 2595), (135, 1557), (173, 1215), (243, 865), (405, 519)]