640058745

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1\times {\mathrm{1447}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 1053819648

約数和(自身を除く): 413760903

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 797, 1447, 2391, 3985, 4341, 7235, 11955, 21705, 29489, 53539, 88467, 147445, 160617, 267695, 442335, 803085, 1153259, 3459777, 5766295, 17298885, 42670583, 128011749, 213352915, 640058745]

約数ペア:

[(1, 640058745), (3, 213352915), (5, 128011749), (15, 42670583), (37, 17298885), (111, 5766295), (185, 3459777), (555, 1153259), (797, 803085), (1447, 442335), (2391, 267695), (3985, 160617), (4341, 147445), (7235, 88467), (11955, 53539), (21705, 29489)]