660645

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 1170936

約数和(自身を除く): 510291

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 277, 477, 795, 831, 1385, 2385, 2493, 4155, 12465, 14681, 44043, 73405, 132129, 220215, 660645]

約数ペア:

[(1, 660645), (3, 220215), (5, 132129), (9, 73405), (15, 44043), (45, 14681), (53, 12465), (159, 4155), (265, 2493), (277, 2385), (477, 1385), (795, 831)]