90971775

素因数分解:

$3^3\times 5^2\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 168044800

約数和(自身を除く): 77073025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 307, 439, 675, 921, 1317, 1535, 2195, 2763, 3951, 4605, 6585, 7675, 8289, 10975, 11853, 13815, 19755, 23025, 32925, 41445, 59265, 69075, 98775, 134773, 207225, 296325, 404319, 673865, 1212957, 2021595, 3369325, 3638871, 6064785, 10107975, 18194355, 30323925, 90971775]

約数ペア:

[(1, 90971775), (3, 30323925), (5, 18194355), (9, 10107975), (15, 6064785), (25, 3638871), (27, 3369325), (45, 2021595), (75, 1212957), (135, 673865), (225, 404319), (307, 296325), (439, 207225), (675, 134773), (921, 98775), (1317, 69075), (1535, 59265), (2195, 41445), (2763, 32925), (3951, 23025), (4605, 19755), (6585, 13815), (7675, 11853), (8289, 10975)]