217663921

素因数分解:

${\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 226860480

約数和(自身を除く): 9196559

約数列:

[1, 59, 61, 197, 307, 3599, 11623, 12017, 18113, 18727, 60479, 709003, 1104893, 3568261, 3689219, 217663921]

約数ペア:

[(1, 217663921), (59, 3689219), (61, 3568261), (197, 1104893), (307, 709003), (3599, 60479), (11623, 18727), (12017, 18113)]