866913

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 1240320

約数和(自身を除く): 373407

約数列:

[1, 3, 19, 57, 67, 201, 227, 681, 1273, 3819, 4313, 12939, 15209, 45627, 288971, 866913]

約数ペア:

[(1, 866913), (3, 288971), (19, 45627), (57, 15209), (67, 12939), (201, 4313), (227, 3819), (681, 1273)]