81272049

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{6287}}^1$

素因数の和:6460

約数の個数: 16

約数和(自身を含む): 112680960

約数和(自身を除く): 31408911

約数列:

[1, 3, 31, 93, 139, 417, 4309, 6287, 12927, 18861, 194897, 584691, 873893, 2621679, 27090683, 81272049]

約数ペア:

[(1, 81272049), (3, 27090683), (31, 2621679), (93, 873893), (139, 584691), (417, 194897), (4309, 18861), (6287, 12927)]