197707761

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 309441600

約数和(自身を除く): 111733839

約数列:

[1, 3, 9, 29, 37, 59, 87, 111, 177, 261, 333, 347, 531, 1041, 1073, 1711, 2183, 3123, 3219, 5133, 6549, 9657, 10063, 12839, 15399, 19647, 20473, 30189, 38517, 61419, 63307, 90567, 115551, 184257, 189921, 372331, 569763, 593717, 757501, 1116993, 1781151, 2272503, 3350979, 5343453, 6817509, 21967529, 65902587, 197707761]

約数ペア:

[(1, 197707761), (3, 65902587), (9, 21967529), (29, 6817509), (37, 5343453), (59, 3350979), (87, 2272503), (111, 1781151), (177, 1116993), (261, 757501), (333, 593717), (347, 569763), (531, 372331), (1041, 189921), (1073, 184257), (1711, 115551), (2183, 90567), (3123, 63307), (3219, 61419), (5133, 38517), (6549, 30189), (9657, 20473), (10063, 19647), (12839, 15399)]