128475501

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 227066112

約数和(自身を除く): 98590611

約数列:

[1, 3, 7, 11, 21, 31, 33, 49, 77, 93, 121, 147, 217, 231, 233, 341, 363, 539, 651, 699, 847, 1023, 1519, 1617, 1631, 2387, 2541, 2563, 3751, 4557, 4893, 5929, 7161, 7223, 7689, 11253, 11417, 16709, 17787, 17941, 21669, 26257, 28193, 34251, 50127, 50561, 53823, 78771, 79453, 84579, 125587, 151683, 183799, 197351, 238359, 353927, 376761, 551397, 556171, 592053, 873983, 1061781, 1381457, 1668513, 2621949, 3893197, 4144371, 6117881, 11679591, 18353643, 42825167, 128475501]

約数ペア:

[(1, 128475501), (3, 42825167), (7, 18353643), (11, 11679591), (21, 6117881), (31, 4144371), (33, 3893197), (49, 2621949), (77, 1668513), (93, 1381457), (121, 1061781), (147, 873983), (217, 592053), (231, 556171), (233, 551397), (341, 376761), (363, 353927), (539, 238359), (651, 197351), (699, 183799), (847, 151683), (1023, 125587), (1519, 84579), (1617, 79453), (1631, 78771), (2387, 53823), (2541, 50561), (2563, 50127), (3751, 34251), (4557, 28193), (4893, 26257), (5929, 21669), (7161, 17941), (7223, 17787), (7689, 16709), (11253, 11417)]