39972051

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 69142528

約数和(自身を除く): 29170477

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 97, 211, 217, 279, 291, 633, 651, 679, 873, 1477, 1899, 1953, 2037, 3007, 4431, 6111, 6541, 9021, 13293, 19623, 20467, 21049, 27063, 45787, 58869, 61401, 63147, 137361, 143269, 184203, 189441, 412083, 429807, 634477, 1289421, 1903431, 4441339, 5710293, 13324017, 39972051]

約数ペア:

[(1, 39972051), (3, 13324017), (7, 5710293), (9, 4441339), (21, 1903431), (31, 1289421), (63, 634477), (93, 429807), (97, 412083), (211, 189441), (217, 184203), (279, 143269), (291, 137361), (633, 63147), (651, 61401), (679, 58869), (873, 45787), (1477, 27063), (1899, 21049), (1953, 20467), (2037, 19623), (3007, 13293), (4431, 9021), (6111, 6541)]