260238465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2087}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 480774528

約数和(自身を除く): 220536063

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 163, 255, 489, 765, 815, 1467, 2087, 2445, 2771, 6261, 7335, 8313, 10435, 13855, 18783, 24939, 31305, 35479, 41565, 93915, 106437, 124695, 177395, 319311, 340181, 532185, 1020543, 1596555, 1700905, 3061629, 5102715, 5783077, 15308145, 17349231, 28915385, 52047693, 86746155, 260238465]

約数ペア:

[(1, 260238465), (3, 86746155), (5, 52047693), (9, 28915385), (15, 17349231), (17, 15308145), (45, 5783077), (51, 5102715), (85, 3061629), (153, 1700905), (163, 1596555), (255, 1020543), (489, 532185), (765, 340181), (815, 319311), (1467, 177395), (2087, 124695), (2445, 106437), (2771, 93915), (6261, 41565), (7335, 35479), (8313, 31305), (10435, 24939), (13855, 18783)]