51831465

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 97598592

約数和(自身を除く): 45767127

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 147, 245, 291, 485, 679, 727, 735, 1455, 2037, 2181, 3395, 3635, 4753, 5089, 10185, 10905, 14259, 15267, 23765, 25445, 35623, 70519, 71295, 76335, 106869, 178115, 211557, 352595, 493633, 534345, 1057785, 1480899, 2468165, 3455431, 7404495, 10366293, 17277155, 51831465]

約数ペア:

[(1, 51831465), (3, 17277155), (5, 10366293), (7, 7404495), (15, 3455431), (21, 2468165), (35, 1480899), (49, 1057785), (97, 534345), (105, 493633), (147, 352595), (245, 211557), (291, 178115), (485, 106869), (679, 76335), (727, 71295), (735, 70519), (1455, 35623), (2037, 25445), (2181, 23765), (3395, 15267), (3635, 14259), (4753, 10905), (5089, 10185)]