131388885915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{24977}}^1$

素因数の和:25437

約数の個数: 96

約数和(自身を含む): 259554590784

約数和(自身を除く): 128165704869

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 421, 595, 735, 833, 1263, 1785, 2105, 2499, 2947, 4165, 6315, 7157, 8841, 12495, 14735, 20629, 21471, 24977, 35785, 44205, 50099, 61887, 74931, 103145, 107355, 124885, 150297, 174839, 250495, 309435, 350693, 374655, 424609, 524517, 751485, 874195, 1052079, 1223873, 1273827, 1753465, 2123045, 2622585, 2972263, 3671619, 5260395, 6119365, 6369135, 8916789, 10515317, 14861315, 18358095, 20805841, 31545951, 44583945, 52576585, 62417523, 73607219, 104029205, 157729755, 178760389, 220821657, 312087615, 368036095, 515250533, 536281167, 893801945, 1104108285, 1251322723, 1545751599, 2576252665, 2681405835, 3753968169, 6256613615, 7728757995, 8759259061, 18769840845, 26277777183, 43796295305, 131388885915]

約数ペア:

[(1, 131388885915), (3, 43796295305), (5, 26277777183), (7, 18769840845), (15, 8759259061), (17, 7728757995), (21, 6256613615), (35, 3753968169), (49, 2681405835), (51, 2576252665), (85, 1545751599), (105, 1251322723), (119, 1104108285), (147, 893801945), (245, 536281167), (255, 515250533), (357, 368036095), (421, 312087615), (595, 220821657), (735, 178760389), (833, 157729755), (1263, 104029205), (1785, 73607219), (2105, 62417523), (2499, 52576585), (2947, 44583945), (4165, 31545951), (6315, 20805841), (7157, 18358095), (8841, 14861315), (12495, 10515317), (14735, 8916789), (20629, 6369135), (21471, 6119365), (24977, 5260395), (35785, 3671619), (44205, 2972263), (50099, 2622585), (61887, 2123045), (74931, 1753465), (103145, 1273827), (107355, 1223873), (124885, 1052079), (150297, 874195), (174839, 751485), (250495, 524517), (309435, 424609), (350693, 374655)]