209864421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{21611}}^1$

素因数の和:21713

約数の個数: 24

約数和(自身を含む): 330404256

約数和(自身を除く): 120539835

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3237, 9711, 21611, 64833, 194499, 280943, 842829, 1793713, 2528487, 5381139, 16143417, 23318269, 69954807, 209864421]

約数ペア:

[(1, 209864421), (3, 69954807), (9, 23318269), (13, 16143417), (39, 5381139), (83, 2528487), (117, 1793713), (249, 842829), (747, 280943), (1079, 194499), (3237, 64833), (9711, 21611)]