7940025

素因数分解:

$3^5\times 5^2\times {\mathrm{1307}}^1$

素因数の和:1332

約数の個数: 36

約数和(自身を含む): 14759472

約数和(自身を除く): 6819447

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 1307, 2025, 3921, 6075, 6535, 11763, 19605, 32675, 35289, 58815, 98025, 105867, 176445, 294075, 317601, 529335, 882225, 1588005, 2646675, 7940025]

約数ペア:

[(1, 7940025), (3, 2646675), (5, 1588005), (9, 882225), (15, 529335), (25, 317601), (27, 294075), (45, 176445), (75, 105867), (81, 98025), (135, 58815), (225, 35289), (243, 32675), (405, 19605), (675, 11763), (1215, 6535), (1307, 6075), (2025, 3921)]