9789955

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 14117760

約数和(自身を除く): 4327805

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1289, 1519, 6445, 7595, 9023, 39959, 45115, 63161, 199795, 279713, 315805, 1398565, 1957991, 9789955]

約数ペア:

[(1, 9789955), (5, 1957991), (7, 1398565), (31, 315805), (35, 279713), (49, 199795), (155, 63161), (217, 45115), (245, 39959), (1085, 9023), (1289, 7595), (1519, 6445)]