180772215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21559}}^1$

素因数の和:21623

約数の個数: 32

約数和(自身を含む): 318743040

約数和(自身を除く): 137970825

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 21559, 64677, 107795, 280267, 323385, 840801, 927037, 1401335, 2781111, 4204005, 4635185, 12051481, 13905555, 36154443, 60257405, 180772215]

約数ペア:

[(1, 180772215), (3, 60257405), (5, 36154443), (13, 13905555), (15, 12051481), (39, 4635185), (43, 4204005), (65, 2781111), (129, 1401335), (195, 927037), (215, 840801), (559, 323385), (645, 280267), (1677, 107795), (2795, 64677), (8385, 21559)]