397486557

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3779}}^1$

素因数の和:3858

約数の個数: 48

約数和(自身を含む): 660441600

約数和(自身を除く): 262955043

約数列:

[1, 3, 9, 13, 29, 31, 39, 87, 93, 117, 261, 279, 377, 403, 899, 1131, 1209, 2697, 3393, 3627, 3779, 8091, 11337, 11687, 34011, 35061, 49127, 105183, 109591, 117149, 147381, 328773, 351447, 442143, 986319, 1054341, 1424683, 1522937, 3397321, 4274049, 4568811, 10191963, 12822147, 13706433, 30575889, 44165173, 132495519, 397486557]

約数ペア:

[(1, 397486557), (3, 132495519), (9, 44165173), (13, 30575889), (29, 13706433), (31, 12822147), (39, 10191963), (87, 4568811), (93, 4274049), (117, 3397321), (261, 1522937), (279, 1424683), (377, 1054341), (403, 986319), (899, 442143), (1131, 351447), (1209, 328773), (2697, 147381), (3393, 117149), (3627, 109591), (3779, 105183), (8091, 49127), (11337, 35061), (11687, 34011)]