1272105

素因数分解:

$3^6\times 5^1\times {\mathrm{349}}^1$

素因数の和:372

約数の個数: 28

約数和(自身を含む): 2295300

約数和(自身を除く): 1023195

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 349, 405, 729, 1047, 1215, 1745, 3141, 3645, 5235, 9423, 15705, 28269, 47115, 84807, 141345, 254421, 424035, 1272105]

約数ペア:

[(1, 1272105), (3, 424035), (5, 254421), (9, 141345), (15, 84807), (27, 47115), (45, 28269), (81, 15705), (135, 9423), (243, 5235), (349, 3645), (405, 3141), (729, 1745), (1047, 1215)]