151531569

素因数分解:

$3^2\times 7^3\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 257587200

約数和(自身を除く): 106055631

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 191, 257, 343, 441, 573, 771, 1029, 1337, 1719, 1799, 2313, 3087, 4011, 5397, 9359, 12033, 12593, 16191, 28077, 37779, 49087, 65513, 84231, 88151, 113337, 147261, 196539, 264453, 343609, 441783, 589617, 793359, 1030827, 2405263, 3092481, 7215789, 16836841, 21647367, 50510523, 151531569]

約数ペア:

[(1, 151531569), (3, 50510523), (7, 21647367), (9, 16836841), (21, 7215789), (49, 3092481), (63, 2405263), (147, 1030827), (191, 793359), (257, 589617), (343, 441783), (441, 343609), (573, 264453), (771, 196539), (1029, 147261), (1337, 113337), (1719, 88151), (1799, 84231), (2313, 65513), (3087, 49087), (4011, 37779), (5397, 28077), (9359, 16191), (12033, 12593)]