51290865

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{24251}}^1$

素因数の和:24309

約数の個数: 24

約数和(自身を含む): 90799488

約数和(自身を除く): 39508623

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 24251, 72753, 121255, 218259, 363765, 1091295, 1139797, 3419391, 5698985, 10258173, 17096955, 51290865]

約数ペア:

[(1, 51290865), (3, 17096955), (5, 10258173), (9, 5698985), (15, 3419391), (45, 1139797), (47, 1091295), (141, 363765), (235, 218259), (423, 121255), (705, 72753), (2115, 24251)]