1908483993

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 3018689856

約数和(自身を除く): 1110205863

約数列:

[1, 3, 9, 13, 39, 107, 117, 157, 321, 471, 963, 971, 1391, 1413, 2041, 2913, 4173, 6123, 8739, 12519, 12623, 16799, 18369, 37869, 50397, 103897, 113607, 151191, 152447, 218387, 311691, 457341, 655161, 935073, 1350661, 1372023, 1965483, 1981811, 4051983, 5945433, 12155949, 16311829, 17836299, 48935487, 146806461, 212053777, 636161331, 1908483993]

約数ペア:

[(1, 1908483993), (3, 636161331), (9, 212053777), (13, 146806461), (39, 48935487), (107, 17836299), (117, 16311829), (157, 12155949), (321, 5945433), (471, 4051983), (963, 1981811), (971, 1965483), (1391, 1372023), (1413, 1350661), (2041, 935073), (2913, 655161), (4173, 457341), (6123, 311691), (8739, 218387), (12519, 152447), (12623, 151191), (16799, 113607), (18369, 103897), (37869, 50397)]