25306029

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2039}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 42007680

約数和(自身を除く): 16701651

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 2039, 4137, 6117, 12411, 14273, 18351, 42819, 128457, 401683, 1205049, 2811781, 3615147, 8435343, 25306029]

約数ペア:

[(1, 25306029), (3, 8435343), (7, 3615147), (9, 2811781), (21, 1205049), (63, 401683), (197, 128457), (591, 42819), (1379, 18351), (1773, 14273), (2039, 12411), (4137, 6117)]