987615

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 1813968

約数和(自身を除く): 826353

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1291, 3873, 6455, 11619, 19365, 21947, 58095, 65841, 109735, 197523, 329205, 987615]

約数ペア:

[(1, 987615), (3, 329205), (5, 197523), (9, 109735), (15, 65841), (17, 58095), (45, 21947), (51, 19365), (85, 11619), (153, 6455), (255, 3873), (765, 1291)]