320475885

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{2879}}^1$

素因数の和:3109

約数の個数: 32

約数和(自身を含む): 528353280

約数和(自身を除く): 207877395

約数列:

[1, 3, 5, 15, 41, 123, 181, 205, 543, 615, 905, 2715, 2879, 7421, 8637, 14395, 22263, 37105, 43185, 111315, 118039, 354117, 521099, 590195, 1563297, 1770585, 2605495, 7816485, 21365059, 64095177, 106825295, 320475885]

約数ペア:

[(1, 320475885), (3, 106825295), (5, 64095177), (15, 21365059), (41, 7816485), (123, 2605495), (181, 1770585), (205, 1563297), (543, 590195), (615, 521099), (905, 354117), (2715, 118039), (2879, 111315), (7421, 43185), (8637, 37105), (14395, 22263)]