987705

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 1752192

約数和(自身を除く): 764487

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 467, 705, 1401, 2115, 2335, 4203, 7005, 21015, 21949, 65847, 109745, 197541, 329235, 987705]

約数ペア:

[(1, 987705), (3, 329235), (5, 197541), (9, 109745), (15, 65847), (45, 21949), (47, 21015), (141, 7005), (235, 4203), (423, 2335), (467, 2115), (705, 1401)]