211080519

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 366284800

約数和(自身を除く): 155204281

約数列:

[1, 3, 9, 13, 19, 27, 31, 39, 57, 93, 117, 171, 247, 279, 351, 403, 513, 589, 741, 837, 1021, 1209, 1767, 2223, 3063, 3627, 5301, 6669, 7657, 9189, 10881, 13273, 15903, 19399, 22971, 27567, 31651, 39819, 58197, 68913, 94953, 119457, 174591, 206739, 252187, 284859, 358371, 411463, 523773, 601369, 756561, 854577, 1234389, 1804107, 2269683, 3703167, 5412321, 6809049, 7817797, 11109501, 16236963, 23453391, 70360173, 211080519]

約数ペア:

[(1, 211080519), (3, 70360173), (9, 23453391), (13, 16236963), (19, 11109501), (27, 7817797), (31, 6809049), (39, 5412321), (57, 3703167), (93, 2269683), (117, 1804107), (171, 1234389), (247, 854577), (279, 756561), (351, 601369), (403, 523773), (513, 411463), (589, 358371), (741, 284859), (837, 252187), (1021, 206739), (1209, 174591), (1767, 119457), (2223, 94953), (3063, 68913), (3627, 58197), (5301, 39819), (6669, 31651), (7657, 27567), (9189, 22971), (10881, 19399), (13273, 15903)]