291638145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1143679}}^1$

素因数の和:1143704

約数の個数: 16

約数和(自身を含む): 494069760

約数和(自身を除く): 202431615

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1143679, 3431037, 5718395, 17155185, 19442543, 58327629, 97212715, 291638145]

約数ペア:

[(1, 291638145), (3, 97212715), (5, 58327629), (15, 19442543), (17, 17155185), (51, 5718395), (85, 3431037), (255, 1143679)]