25237173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 12462027

約数列:

[1, 3, 13, 39, 43, 101, 129, 149, 303, 447, 559, 1313, 1677, 1937, 3939, 4343, 5811, 6407, 13029, 15049, 19221, 45147, 56459, 83291, 169377, 195637, 249873, 586911, 647107, 1941321, 8412391, 25237173]

約数ペア:

[(1, 25237173), (3, 8412391), (13, 1941321), (39, 647107), (43, 586911), (101, 249873), (129, 195637), (149, 169377), (303, 83291), (447, 56459), (559, 45147), (1313, 19221), (1677, 15049), (1937, 13029), (3939, 6407), (4343, 5811)]