31999590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{16931}}^1$

素因数の和:16954

約数の個数: 64

約数和(自身を含む): 97528320

約数和(自身を除く): 65528730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 16931, 33862, 50793, 84655, 101586, 118517, 152379, 169310, 237034, 253965, 304758, 355551, 457137, 507930, 592585, 711102, 761895, 914274, 1066653, 1185170, 1523790, 1777755, 2133306, 2285685, 3199959, 3555510, 4571370, 5333265, 6399918, 10666530, 15999795, 31999590]

約数ペア:

[(1, 31999590), (2, 15999795), (3, 10666530), (5, 6399918), (6, 5333265), (7, 4571370), (9, 3555510), (10, 3199959), (14, 2285685), (15, 2133306), (18, 1777755), (21, 1523790), (27, 1185170), (30, 1066653), (35, 914274), (42, 761895), (45, 711102), (54, 592585), (63, 507930), (70, 457137), (90, 355551), (105, 304758), (126, 253965), (135, 237034), (189, 169310), (210, 152379), (270, 118517), (315, 101586), (378, 84655), (630, 50793), (945, 33862), (1890, 16931)]