245790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2731}}^1$

素因数の和:2744

約数の個数: 24

約数和(自身を含む): 639288

約数和(自身を除く): 393498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2731, 5462, 8193, 13655, 16386, 24579, 27310, 40965, 49158, 81930, 122895, 245790]

約数ペア:

[(1, 245790), (2, 122895), (3, 81930), (5, 49158), (6, 40965), (9, 27310), (10, 24579), (15, 16386), (18, 13655), (30, 8193), (45, 5462), (90, 2731)]