204474555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1951}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 378203904

約数和(自身を除く): 173729349

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 137, 153, 255, 411, 685, 765, 1233, 1951, 2055, 2329, 5853, 6165, 6987, 9755, 11645, 17559, 20961, 29265, 33167, 34935, 87795, 99501, 104805, 165835, 267287, 298503, 497505, 801861, 1336435, 1492515, 2405583, 4009305, 4543879, 12027915, 13631637, 22719395, 40894911, 68158185, 204474555]

約数ペア:

[(1, 204474555), (3, 68158185), (5, 40894911), (9, 22719395), (15, 13631637), (17, 12027915), (45, 4543879), (51, 4009305), (85, 2405583), (137, 1492515), (153, 1336435), (255, 801861), (411, 497505), (685, 298503), (765, 267287), (1233, 165835), (1951, 104805), (2055, 99501), (2329, 87795), (5853, 34935), (6165, 33167), (6987, 29265), (9755, 20961), (11645, 17559)]