4039065

素因数分解:

$3^4\times 5^1\times {\mathrm{9973}}^1$

素因数の和:9990

約数の個数: 20

約数和(自身を含む): 7241124

約数和(自身を除く): 3202059

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9973, 29919, 49865, 89757, 149595, 269271, 448785, 807813, 1346355, 4039065]

約数ペア:

[(1, 4039065), (3, 1346355), (5, 807813), (9, 448785), (15, 269271), (27, 149595), (45, 89757), (81, 49865), (135, 29919), (405, 9973)]