221421507

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1\times {\mathrm{2477}}^1$

素因数の和:2922

約数の個数: 16

約数和(自身を含む): 299738880

約数和(自身を除く): 78317373

約数列:

[1, 3, 83, 249, 359, 1077, 2477, 7431, 29797, 89391, 205591, 616773, 889243, 2667729, 73807169, 221421507]

約数ペア:

[(1, 221421507), (3, 73807169), (83, 2667729), (249, 889243), (359, 616773), (1077, 205591), (2477, 89391), (7431, 29797)]