90207525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 159364800

約数和(自身を除く): 69157275

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 139, 255, 417, 425, 509, 695, 1275, 1527, 2085, 2363, 2545, 3475, 7089, 7635, 8653, 10425, 11815, 12725, 25959, 35445, 38175, 43265, 59075, 70751, 129795, 177225, 212253, 216325, 353755, 648975, 1061265, 1202767, 1768775, 3608301, 5306325, 6013835, 18041505, 30069175, 90207525]

約数ペア:

[(1, 90207525), (3, 30069175), (5, 18041505), (15, 6013835), (17, 5306325), (25, 3608301), (51, 1768775), (75, 1202767), (85, 1061265), (139, 648975), (255, 353755), (417, 216325), (425, 212253), (509, 177225), (695, 129795), (1275, 70751), (1527, 59075), (2085, 43265), (2363, 38175), (2545, 35445), (3475, 25959), (7089, 12725), (7635, 11815), (8653, 10425)]