16971815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 8187865

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 727, 805, 1015, 3335, 3635, 4669, 5089, 16721, 21083, 23345, 25445, 83605, 105415, 117047, 147581, 484909, 585235, 737905, 2424545, 3394363, 16971815]

約数ペア:

[(1, 16971815), (5, 3394363), (7, 2424545), (23, 737905), (29, 585235), (35, 484909), (115, 147581), (145, 117047), (161, 105415), (203, 83605), (667, 25445), (727, 23345), (805, 21083), (1015, 16721), (3335, 5089), (3635, 4669)]