28398945

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 47324160

約数和(自身を除く): 18925215

約数列:

[1, 3, 5, 15, 31, 93, 155, 157, 389, 465, 471, 785, 1167, 1945, 2355, 4867, 5835, 12059, 14601, 24335, 36177, 60295, 61073, 73005, 180885, 183219, 305365, 916095, 1893263, 5679789, 9466315, 28398945]

約数ペア:

[(1, 28398945), (3, 9466315), (5, 5679789), (15, 1893263), (31, 916095), (93, 305365), (155, 183219), (157, 180885), (389, 73005), (465, 61073), (471, 60295), (785, 36177), (1167, 24335), (1945, 14601), (2355, 12059), (4867, 5835)]