30507141

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 49346560

約数和(自身を除く): 18839419

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 487, 1099, 1461, 2983, 3297, 3409, 8949, 9253, 10227, 20881, 27759, 62643, 64771, 76459, 194313, 229377, 535213, 1452721, 1605639, 4358163, 10169047, 30507141]

約数ペア:

[(1, 30507141), (3, 10169047), (7, 4358163), (19, 1605639), (21, 1452721), (57, 535213), (133, 229377), (157, 194313), (399, 76459), (471, 64771), (487, 62643), (1099, 27759), (1461, 20881), (2983, 10227), (3297, 9253), (3409, 8949)]