420216135

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{1951}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 684730368

約数和(自身を除く): 264514233

約数列:

[1, 3, 5, 15, 83, 173, 249, 415, 519, 865, 1245, 1951, 2595, 5853, 9755, 14359, 29265, 43077, 71795, 161933, 215385, 337523, 485799, 809665, 1012569, 1687615, 2428995, 5062845, 28014409, 84043227, 140072045, 420216135]

約数ペア:

[(1, 420216135), (3, 140072045), (5, 84043227), (15, 28014409), (83, 5062845), (173, 2428995), (249, 1687615), (415, 1012569), (519, 809665), (865, 485799), (1245, 337523), (1951, 215385), (2595, 161933), (5853, 71795), (9755, 43077), (14359, 29265)]