13398903

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1364

約数の個数: 36

約数和(自身を含む): 23510448

約数和(自身を除く): 10111545

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1321, 1449, 3381, 3963, 9247, 10143, 11889, 27741, 30383, 64729, 83223, 91149, 194187, 212681, 273447, 582561, 638043, 1488767, 1914129, 4466301, 13398903]

約数ペア:

[(1, 13398903), (3, 4466301), (7, 1914129), (9, 1488767), (21, 638043), (23, 582561), (49, 273447), (63, 212681), (69, 194187), (147, 91149), (161, 83223), (207, 64729), (441, 30383), (483, 27741), (1127, 11889), (1321, 10143), (1449, 9247), (3381, 3963)]