27918163

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 36861440

約数和(自身を除く): 8943277

約数列:

[1, 7, 13, 19, 67, 91, 133, 241, 247, 469, 871, 1273, 1687, 1729, 3133, 4579, 6097, 8911, 16147, 16549, 21931, 32053, 59527, 113029, 115843, 209911, 306793, 416689, 1469377, 2147551, 3988309, 27918163]

約数ペア:

[(1, 27918163), (7, 3988309), (13, 2147551), (19, 1469377), (67, 416689), (91, 306793), (133, 209911), (241, 115843), (247, 113029), (469, 59527), (871, 32053), (1273, 21931), (1687, 16549), (1729, 16147), (3133, 8911), (4579, 6097)]