53327781

素因数分解:

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

素因数の和:108

約数の個数: 64

約数和(自身を含む): 91392000

約数和(自身を除く): 38064219

約数列:

[1, 3, 9, 13, 27, 29, 31, 39, 87, 93, 117, 169, 261, 279, 351, 377, 403, 507, 783, 837, 899, 1131, 1209, 1521, 2197, 2697, 3393, 3627, 4563, 4901, 5239, 6591, 8091, 10179, 10881, 11687, 14703, 15717, 19773, 24273, 35061, 44109, 47151, 59319, 63713, 68107, 105183, 132327, 141453, 151931, 191139, 204321, 315549, 455793, 573417, 612963, 1367379, 1720251, 1838889, 1975103, 4102137, 5925309, 17775927, 53327781]

約数ペア:

[(1, 53327781), (3, 17775927), (9, 5925309), (13, 4102137), (27, 1975103), (29, 1838889), (31, 1720251), (39, 1367379), (87, 612963), (93, 573417), (117, 455793), (169, 315549), (261, 204321), (279, 191139), (351, 151931), (377, 141453), (403, 132327), (507, 105183), (783, 68107), (837, 63713), (899, 59319), (1131, 47151), (1209, 44109), (1521, 35061), (2197, 24273), (2697, 19773), (3393, 15717), (3627, 14703), (4563, 11687), (4901, 10881), (5239, 10179), (6591, 8091)]