2878377

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 4010688

約数和(自身を除く): 1132311

約数列:

[1, 3, 43, 53, 129, 159, 421, 1263, 2279, 6837, 18103, 22313, 54309, 66939, 959459, 2878377]

約数ペア:

[(1, 2878377), (3, 959459), (43, 66939), (53, 54309), (129, 22313), (159, 18103), (421, 6837), (1263, 2279)]