2011007187

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{613}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 3483280944

約数和(自身を除く): 1472273757

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 173, 301, 387, 441, 519, 613, 903, 1211, 1557, 1839, 2107, 2709, 3633, 4291, 5517, 6321, 7439, 8477, 10899, 12873, 18963, 22317, 25431, 26359, 30037, 38619, 52073, 66951, 76293, 79077, 90111, 106049, 156219, 184513, 237231, 270333, 318147, 364511, 468657, 553539, 742343, 954441, 1093533, 1291591, 1660617, 2227029, 3280599, 3874773, 4560107, 5196401, 6681087, 11624319, 13680321, 15589203, 31920749, 41040963, 46767609, 95762247, 223445243, 287286741, 670335729, 2011007187]

約数ペア:

[(1, 2011007187), (3, 670335729), (7, 287286741), (9, 223445243), (21, 95762247), (43, 46767609), (49, 41040963), (63, 31920749), (129, 15589203), (147, 13680321), (173, 11624319), (301, 6681087), (387, 5196401), (441, 4560107), (519, 3874773), (613, 3280599), (903, 2227029), (1211, 1660617), (1557, 1291591), (1839, 1093533), (2107, 954441), (2709, 742343), (3633, 553539), (4291, 468657), (5517, 364511), (6321, 318147), (7439, 270333), (8477, 237231), (10899, 184513), (12873, 156219), (18963, 106049), (22317, 90111), (25431, 79077), (26359, 76293), (30037, 66951), (38619, 52073)]