203479545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1951}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 345738240

約数和(自身を除く): 142258695

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 409, 1227, 1951, 2045, 5853, 6135, 6953, 9755, 20859, 29265, 33167, 34765, 99501, 104295, 165835, 497505, 797959, 2393877, 3989795, 11969385, 13565303, 40695909, 67826515, 203479545]

約数ペア:

[(1, 203479545), (3, 67826515), (5, 40695909), (15, 13565303), (17, 11969385), (51, 3989795), (85, 2393877), (255, 797959), (409, 497505), (1227, 165835), (1951, 104295), (2045, 99501), (5853, 34765), (6135, 33167), (6953, 29265), (9755, 20859)]