1228773

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 2055648

約数和(自身を除く): 826875

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 643, 1911, 1929, 4501, 8359, 13503, 25077, 31507, 58513, 94521, 175539, 409591, 1228773]

約数ペア:

[(1, 1228773), (3, 409591), (7, 175539), (13, 94521), (21, 58513), (39, 31507), (49, 25077), (91, 13503), (147, 8359), (273, 4501), (637, 1929), (643, 1911)]