31993065

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3217}}^1$

素因数の和:3258

約数の個数: 48

約数和(自身を含む): 63253008

約数和(自身を除く): 31259943

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3217, 3315, 9651, 9945, 16085, 28953, 41821, 48255, 54689, 125463, 144765, 164067, 209105, 273445, 376389, 492201, 627315, 710957, 820335, 1881945, 2132871, 2461005, 3554785, 6398613, 10664355, 31993065]

約数ペア:

[(1, 31993065), (3, 10664355), (5, 6398613), (9, 3554785), (13, 2461005), (15, 2132871), (17, 1881945), (39, 820335), (45, 710957), (51, 627315), (65, 492201), (85, 376389), (117, 273445), (153, 209105), (195, 164067), (221, 144765), (255, 125463), (585, 54689), (663, 48255), (765, 41821), (1105, 28953), (1989, 16085), (3217, 9945), (3315, 9651)]