290115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{307}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 591360

約数和(自身を除く): 301245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 307, 315, 921, 945, 1535, 2149, 2763, 4605, 6447, 8289, 10745, 13815, 19341, 32235, 41445, 58023, 96705, 290115]

約数ペア:

[(1, 290115), (3, 96705), (5, 58023), (7, 41445), (9, 32235), (15, 19341), (21, 13815), (27, 10745), (35, 8289), (45, 6447), (63, 4605), (105, 2763), (135, 2149), (189, 1535), (307, 945), (315, 921)]