65281785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3821}}^1$

素因数の和:3913

約数の個数: 32

約数和(自身を含む): 112275072

約数和(自身を除く): 46993287

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 3417, 3821, 5695, 11463, 17085, 19105, 57315, 64957, 194871, 256007, 324785, 768021, 974355, 1280035, 3840105, 4352119, 13056357, 21760595, 65281785]

約数ペア:

[(1, 65281785), (3, 21760595), (5, 13056357), (15, 4352119), (17, 3840105), (51, 1280035), (67, 974355), (85, 768021), (201, 324785), (255, 256007), (335, 194871), (1005, 64957), (1139, 57315), (3417, 19105), (3821, 17085), (5695, 11463)]