28418733

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1423}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 47094528

約数和(自身を除く): 18675795

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 1423, 2219, 2853, 4269, 6657, 9961, 12807, 19971, 29883, 89649, 451091, 1353273, 3157637, 4059819, 9472911, 28418733]

約数ペア:

[(1, 28418733), (3, 9472911), (7, 4059819), (9, 3157637), (21, 1353273), (63, 451091), (317, 89649), (951, 29883), (1423, 19971), (2219, 12807), (2853, 9961), (4269, 6657)]