7887831

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 12925440

約数和(自身を除く): 5037609

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 373, 399, 1007, 1113, 1119, 2611, 3021, 7049, 7087, 7833, 19769, 21147, 21261, 49609, 59307, 138383, 148827, 375611, 415149, 1126833, 2629277, 7887831]

約数ペア:

[(1, 7887831), (3, 2629277), (7, 1126833), (19, 415149), (21, 375611), (53, 148827), (57, 138383), (133, 59307), (159, 49609), (371, 21261), (373, 21147), (399, 19769), (1007, 7833), (1113, 7087), (1119, 7049), (2611, 3021)]