193968243

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8081}}^1$

素因数の和:8224

約数の個数: 32

約数和(自身を含む): 331038720

約数和(自身を除く): 137070477

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 3429, 8001, 8081, 24003, 24243, 56567, 72729, 169701, 218187, 509103, 1026287, 1527309, 3078861, 7184009, 9236583, 21552027, 27709749, 64656081, 193968243]

約数ペア:

[(1, 193968243), (3, 64656081), (7, 27709749), (9, 21552027), (21, 9236583), (27, 7184009), (63, 3078861), (127, 1527309), (189, 1026287), (381, 509103), (889, 218187), (1143, 169701), (2667, 72729), (3429, 56567), (8001, 24243), (8081, 24003)]