208935804567

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1\times {\mathrm{426077}}^1$

素因数の和:427335

約数の個数: 32

約数和(自身を含む): 335408601600

約数和(自身を除く): 126472797033

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1229, 3687, 8603, 23351, 25809, 70053, 163457, 426077, 490371, 1278231, 2982539, 8095463, 8947617, 24286389, 56668241, 170004723, 523648633, 1570945899, 3665540431, 9949324027, 10996621293, 29847972081, 69645268189, 208935804567]

約数ペア:

[(1, 208935804567), (3, 69645268189), (7, 29847972081), (19, 10996621293), (21, 9949324027), (57, 3665540431), (133, 1570945899), (399, 523648633), (1229, 170004723), (3687, 56668241), (8603, 24286389), (23351, 8947617), (25809, 8095463), (70053, 2982539), (163457, 1278231), (426077, 490371)]