15691473

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13109}}^1$

素因数の和:13141

約数の個数: 24

約数和(自身を含む): 27268800

約数和(自身を除く): 11577327

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 13109, 39327, 91763, 117981, 249071, 275289, 747213, 825867, 1743497, 2241639, 5230491, 15691473]

約数ペア:

[(1, 15691473), (3, 5230491), (7, 2241639), (9, 1743497), (19, 825867), (21, 747213), (57, 275289), (63, 249071), (133, 117981), (171, 91763), (399, 39327), (1197, 13109)]