25515483

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 40043520

約数和(自身を除く): 14528037

約数列:

[1, 3, 7, 21, 71, 109, 157, 213, 327, 471, 497, 763, 1099, 1491, 2289, 3297, 7739, 11147, 17113, 23217, 33441, 51339, 54173, 78029, 119791, 162519, 234087, 359373, 1215023, 3645069, 8505161, 25515483]

約数ペア:

[(1, 25515483), (3, 8505161), (7, 3645069), (21, 1215023), (71, 359373), (109, 234087), (157, 162519), (213, 119791), (327, 78029), (471, 54173), (497, 51339), (763, 33441), (1099, 23217), (1491, 17113), (2289, 11147), (3297, 7739)]