251019639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{25849}}^1$

素因数の和:25951

約数の個数: 24

約数和(自身を含む): 395194800

約数和(自身を除く): 144175161

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3237, 9711, 25849, 77547, 232641, 336037, 1008111, 2145467, 3024333, 6436401, 19309203, 27891071, 83673213, 251019639]

約数ペア:

[(1, 251019639), (3, 83673213), (9, 27891071), (13, 19309203), (39, 6436401), (83, 3024333), (117, 2145467), (249, 1008111), (747, 336037), (1079, 232641), (3237, 77547), (9711, 25849)]