13125903

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 21411840

約数和(自身を除く): 8285937

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 491, 1273, 1407, 1473, 3437, 3819, 8911, 9329, 10311, 26733, 27987, 32897, 65303, 98691, 195909, 230279, 625043, 690837, 1875129, 4375301, 13125903]

約数ペア:

[(1, 13125903), (3, 4375301), (7, 1875129), (19, 690837), (21, 625043), (57, 230279), (67, 195909), (133, 98691), (201, 65303), (399, 32897), (469, 27987), (491, 26733), (1273, 10311), (1407, 9329), (1473, 8911), (3437, 3819)]