8401887

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 13823040

約数和(自身を除く): 5421153

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 101, 117, 237, 303, 351, 711, 909, 1027, 1053, 1313, 2133, 2727, 3081, 3939, 6399, 7979, 8181, 9243, 11817, 23937, 27729, 35451, 71811, 83187, 103727, 106353, 215433, 311181, 646299, 933543, 2800629, 8401887]

約数ペア:

[(1, 8401887), (3, 2800629), (9, 933543), (13, 646299), (27, 311181), (39, 215433), (79, 106353), (81, 103727), (101, 83187), (117, 71811), (237, 35451), (303, 27729), (351, 23937), (711, 11817), (909, 9243), (1027, 8181), (1053, 7979), (1313, 6399), (2133, 3939), (2727, 3081)]