3947307

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 6827520

約数和(自身を除く): 2880213

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 761, 1729, 2283, 5187, 5327, 9893, 14459, 15981, 29679, 43377, 69251, 101213, 187967, 207753, 303639, 563901, 1315769, 3947307]

約数ペア:

[(1, 3947307), (3, 1315769), (7, 563901), (13, 303639), (19, 207753), (21, 187967), (39, 101213), (57, 69251), (91, 43377), (133, 29679), (247, 15981), (273, 14459), (399, 9893), (741, 5327), (761, 5187), (1729, 2283)]