213325521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 307991040

約数和(自身を除く): 94665519

約数列:

[1, 3, 19, 57, 67, 83, 201, 249, 673, 1273, 1577, 2019, 3819, 4731, 5561, 12787, 16683, 38361, 45091, 55859, 105659, 135273, 167577, 316977, 856729, 1061321, 2570187, 3183963, 3742553, 11227659, 71108507, 213325521]

約数ペア:

[(1, 213325521), (3, 71108507), (19, 11227659), (57, 3742553), (67, 3183963), (83, 2570187), (201, 1061321), (249, 856729), (673, 316977), (1273, 167577), (1577, 135273), (2019, 105659), (3819, 55859), (4731, 45091), (5561, 38361), (12787, 16683)]