254163

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 32

約数和(自身を含む): 448000

約数和(自身を除く): 193837

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 343, 399, 637, 741, 931, 1029, 1729, 1911, 2793, 4459, 5187, 6517, 12103, 13377, 19551, 36309, 84721, 254163]

約数ペア:

[(1, 254163), (3, 84721), (7, 36309), (13, 19551), (19, 13377), (21, 12103), (39, 6517), (49, 5187), (57, 4459), (91, 2793), (133, 1911), (147, 1729), (247, 1029), (273, 931), (343, 741), (399, 637)]