139372415

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43759}}^1$

素因数の和:43791

約数の個数: 24

約数和(自身を含む): 209522880

約数和(自身を除く): 70150465

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 43759, 218795, 306313, 568867, 1531565, 2144191, 2844335, 3982069, 10720955, 19910345, 27874483, 139372415]

約数ペア:

[(1, 139372415), (5, 27874483), (7, 19910345), (13, 10720955), (35, 3982069), (49, 2844335), (65, 2144191), (91, 1531565), (245, 568867), (455, 306313), (637, 218795), (3185, 43759)]