1215205065

素因数分解:

$3^3\times 5^1\times {\mathrm{9001519}}^1$

素因数の和:9001533

約数の個数: 16

約数和(自身を含む): 2160364800

約数和(自身を除く): 945159735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 9001519, 27004557, 45007595, 81013671, 135022785, 243041013, 405068355, 1215205065]

約数ペア:

[(1, 1215205065), (3, 405068355), (5, 243041013), (9, 135022785), (15, 81013671), (27, 45007595), (45, 27004557), (135, 9001519)]