15551253

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 23816000

約数和(自身を除く): 8264747

約数列:

[1, 3, 9, 19, 57, 171, 199, 457, 597, 1371, 1791, 3781, 4113, 8683, 11343, 26049, 34029, 78147, 90943, 272829, 818487, 1727917, 5183751, 15551253]

約数ペア:

[(1, 15551253), (3, 5183751), (9, 1727917), (19, 818487), (57, 272829), (171, 90943), (199, 78147), (457, 34029), (597, 26049), (1371, 11343), (1791, 8683), (3781, 4113)]