28718703

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{631}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 44859360

約数和(自身を除く): 16140657

約数列:

[1, 3, 9, 13, 39, 117, 389, 631, 1167, 1893, 3501, 5057, 5679, 8203, 15171, 24609, 45513, 73827, 245459, 736377, 2209131, 3190967, 9572901, 28718703]

約数ペア:

[(1, 28718703), (3, 9572901), (9, 3190967), (13, 2209131), (39, 736377), (117, 245459), (389, 73827), (631, 45513), (1167, 24609), (1893, 15171), (3501, 8203), (5057, 5679)]