1238391

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1787}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 2231424

約数和(自身を除く): 993033

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 1787, 5361, 12509, 16083, 19657, 37527, 58971, 112581, 137599, 176913, 412797, 1238391]

約数ペア:

[(1, 1238391), (3, 412797), (7, 176913), (9, 137599), (11, 112581), (21, 58971), (33, 37527), (63, 19657), (77, 16083), (99, 12509), (231, 5361), (693, 1787)]