171315

素因数分解:

$3^6\times 5^1\times {\mathrm{47}}^1$

素因数の和:70

約数の個数: 28

約数和(自身を含む): 314784

約数和(自身を除く): 143469

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 423, 705, 729, 1215, 1269, 2115, 3645, 3807, 6345, 11421, 19035, 34263, 57105, 171315]

約数ペア:

[(1, 171315), (3, 57105), (5, 34263), (9, 19035), (15, 11421), (27, 6345), (45, 3807), (47, 3645), (81, 2115), (135, 1269), (141, 1215), (235, 729), (243, 705), (405, 423)]