121213813

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 147313536

約数和(自身を除く): 26099723

約数列:

[1, 7, 31, 37, 217, 259, 487, 961, 1147, 3409, 6727, 8029, 15097, 18019, 35557, 105679, 126133, 248899, 468007, 558589, 3276049, 3910123, 17316259, 121213813]

約数ペア:

[(1, 121213813), (7, 17316259), (31, 3910123), (37, 3276049), (217, 558589), (259, 468007), (487, 248899), (961, 126133), (1147, 105679), (3409, 35557), (6727, 18019), (8029, 15097)]