25439565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1489}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 43770240

約数和(自身を除く): 18330675

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 1489, 3417, 4467, 5695, 7445, 17085, 22335, 25313, 75939, 99763, 126565, 299289, 379695, 498815, 1496445, 1695971, 5087913, 8479855, 25439565]

約数ペア:

[(1, 25439565), (3, 8479855), (5, 5087913), (15, 1695971), (17, 1496445), (51, 498815), (67, 379695), (85, 299289), (201, 126565), (255, 99763), (335, 75939), (1005, 25313), (1139, 22335), (1489, 17085), (3417, 7445), (4467, 5695)]