253161705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{3863}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 430665984

約数和(自身を除く): 177504279

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 771, 1285, 3855, 3863, 4369, 11589, 13107, 19315, 21845, 57945, 65535, 65671, 197013, 328355, 985065, 992791, 2978373, 4963955, 14891865, 16877447, 50632341, 84387235, 253161705]

約数ペア:

[(1, 253161705), (3, 84387235), (5, 50632341), (15, 16877447), (17, 14891865), (51, 4963955), (85, 2978373), (255, 992791), (257, 985065), (771, 328355), (1285, 197013), (3855, 65671), (3863, 65535), (4369, 57945), (11589, 21845), (13107, 19315)]