13640841

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 20889440

約数和(自身を除く): 7248599

約数列:

[1, 3, 9, 19, 57, 171, 241, 331, 723, 993, 2169, 2979, 4579, 6289, 13737, 18867, 41211, 56601, 79771, 239313, 717939, 1515649, 4546947, 13640841]

約数ペア:

[(1, 13640841), (3, 4546947), (9, 1515649), (19, 717939), (57, 239313), (171, 79771), (241, 56601), (331, 41211), (723, 18867), (993, 13737), (2169, 6289), (2979, 4579)]