51798579

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 83804160

約数和(自身を除く): 32005581

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 917, 991, 2489, 2751, 2973, 6937, 7467, 17423, 18829, 20811, 52269, 56487, 129821, 131803, 389463, 395409, 908747, 2466599, 2726241, 7399797, 17266193, 51798579]

約数ペア:

[(1, 51798579), (3, 17266193), (7, 7399797), (19, 2726241), (21, 2466599), (57, 908747), (131, 395409), (133, 389463), (393, 131803), (399, 129821), (917, 56487), (991, 52269), (2489, 20811), (2751, 18829), (2973, 17423), (6937, 7467)]