128792013

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3889}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 209126400

約数和(自身を除く): 80334387

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 1577, 1743, 3889, 4731, 11039, 11667, 27223, 33117, 73891, 81669, 221673, 322787, 517237, 968361, 1551711, 2259509, 6132953, 6778527, 18398859, 42930671, 128792013]

約数ペア:

[(1, 128792013), (3, 42930671), (7, 18398859), (19, 6778527), (21, 6132953), (57, 2259509), (83, 1551711), (133, 968361), (249, 517237), (399, 322787), (581, 221673), (1577, 81669), (1743, 73891), (3889, 33117), (4731, 27223), (11039, 11667)]