2811138993

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{258353}}^1$

素因数の和:258406

約数の個数: 32

約数和(自身を含む): 4629703680

約数和(自身を除く): 1818564687

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 3627, 10881, 258353, 775059, 2325177, 3358589, 6975531, 8008943, 10075767, 24026829, 30227301, 72080487, 90681903, 104116259, 216241461, 312348777, 937046331, 2811138993]

約数ペア:

[(1, 2811138993), (3, 937046331), (9, 312348777), (13, 216241461), (27, 104116259), (31, 90681903), (39, 72080487), (93, 30227301), (117, 24026829), (279, 10075767), (351, 8008943), (403, 6975531), (837, 3358589), (1209, 2325177), (3627, 775059), (10881, 258353)]