66777725

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 97425312

約数和(自身を除く): 30647587

約数列:

[1, 5, 7, 25, 35, 41, 175, 205, 227, 287, 1025, 1135, 1435, 1589, 1681, 5675, 7175, 7945, 8405, 9307, 11767, 39725, 42025, 46535, 58835, 65149, 232675, 294175, 325745, 381587, 1628725, 1907935, 2671109, 9539675, 13355545, 66777725]

約数ペア:

[(1, 66777725), (5, 13355545), (7, 9539675), (25, 2671109), (35, 1907935), (41, 1628725), (175, 381587), (205, 325745), (227, 294175), (287, 232675), (1025, 65149), (1135, 58835), (1435, 46535), (1589, 42025), (1681, 39725), (5675, 11767), (7175, 9307), (7945, 8405)]