287702921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{1367}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 337742784

約数和(自身を除く): 50039863

約数列:

[1, 11, 19, 53, 209, 361, 583, 1007, 1367, 3971, 11077, 15037, 19133, 25973, 72451, 210463, 285703, 493487, 796961, 1376569, 5428357, 15142259, 26154811, 287702921]

約数ペア:

[(1, 287702921), (11, 26154811), (19, 15142259), (53, 5428357), (209, 1376569), (361, 796961), (583, 493487), (1007, 285703), (1367, 210463), (3971, 72451), (11077, 25973), (15037, 19133)]