13503987

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3103

約数の個数: 24

約数和(自身を含む): 22613760

約数和(自身を除く): 9109773

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3019, 4473, 9057, 21133, 27171, 63399, 190197, 214349, 643047, 1500443, 1929141, 4501329, 13503987]

約数ペア:

[(1, 13503987), (3, 4501329), (7, 1929141), (9, 1500443), (21, 643047), (63, 214349), (71, 190197), (213, 63399), (497, 27171), (639, 21133), (1491, 9057), (3019, 4473)]