71885979

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 121271904

約数和(自身を除く): 49385925

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 353, 363, 561, 1059, 1089, 1331, 1683, 2057, 3177, 3883, 3993, 6001, 6171, 11649, 11979, 18003, 18513, 22627, 34947, 42713, 54009, 66011, 67881, 128139, 198033, 203643, 384417, 469843, 594099, 726121, 1409529, 2178363, 4228587, 6535089, 7987331, 23961993, 71885979]

約数ペア:

[(1, 71885979), (3, 23961993), (9, 7987331), (11, 6535089), (17, 4228587), (33, 2178363), (51, 1409529), (99, 726121), (121, 594099), (153, 469843), (187, 384417), (353, 203643), (363, 198033), (561, 128139), (1059, 67881), (1089, 66011), (1331, 54009), (1683, 42713), (2057, 34947), (3177, 22627), (3883, 18513), (3993, 18003), (6001, 11979), (6171, 11649)]