249533565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1993}}^1$

素因数の和:2509

約数の個数: 32

約数和(自身を含む): 423812736

約数和(自身を除く): 174279171

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 491, 1473, 1993, 2455, 5979, 7365, 8347, 9965, 25041, 29895, 33881, 41735, 101643, 125205, 169405, 508215, 978563, 2935689, 4892815, 14678445, 16635571, 49906713, 83177855, 249533565]

約数ペア:

[(1, 249533565), (3, 83177855), (5, 49906713), (15, 16635571), (17, 14678445), (51, 4892815), (85, 2935689), (255, 978563), (491, 508215), (1473, 169405), (1993, 125205), (2455, 101643), (5979, 41735), (7365, 33881), (8347, 29895), (9965, 25041)]