81093551

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 106500096

約数和(自身を除く): 25406545

約数列:

[1, 7, 11, 31, 53, 77, 217, 341, 371, 583, 641, 1643, 2387, 4081, 4487, 7051, 11501, 18073, 19871, 33973, 49357, 126511, 139097, 218581, 237811, 373703, 1053163, 1530067, 2615921, 7372141, 11584793, 81093551]

約数ペア:

[(1, 81093551), (7, 11584793), (11, 7372141), (31, 2615921), (53, 1530067), (77, 1053163), (217, 373703), (341, 237811), (371, 218581), (583, 139097), (641, 126511), (1643, 49357), (2387, 33973), (4081, 19871), (4487, 18073), (7051, 11501)]