385215

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 627936

約数和(自身を除く): 242721

約数列:

[1, 3, 5, 15, 61, 183, 305, 421, 915, 1263, 2105, 6315, 25681, 77043, 128405, 385215]

約数ペア:

[(1, 385215), (3, 128405), (5, 77043), (15, 25681), (61, 6315), (183, 2105), (305, 1263), (421, 915)]