15704009979

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1\times {\mathrm{14173}}^1$

素因数の和:16979

約数の個数: 32

約数和(自身を含む): 25200238080

約数和(自身を除く): 9496228101

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2777, 8331, 14173, 19439, 42519, 52763, 58317, 99211, 158289, 269287, 297633, 369341, 807861, 1108023, 1885009, 5655027, 39358421, 118075263, 275508947, 747809999, 826526841, 2243429997, 5234669993, 15704009979]

約数ペア:

[(1, 15704009979), (3, 5234669993), (7, 2243429997), (19, 826526841), (21, 747809999), (57, 275508947), (133, 118075263), (399, 39358421), (2777, 5655027), (8331, 1885009), (14173, 1108023), (19439, 807861), (42519, 369341), (52763, 297633), (58317, 269287), (99211, 158289)]