13018971

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 21237760

約数和(自身を除く): 8218789

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 487, 1273, 1407, 1461, 3409, 3819, 8911, 9253, 10227, 26733, 27759, 32629, 64771, 97887, 194313, 228403, 619951, 685209, 1859853, 4339657, 13018971]

約数ペア:

[(1, 13018971), (3, 4339657), (7, 1859853), (19, 685209), (21, 619951), (57, 228403), (67, 194313), (133, 97887), (201, 64771), (399, 32629), (469, 27759), (487, 26733), (1273, 10227), (1407, 9253), (1461, 8911), (3409, 3819)]