13019517

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4397}}^1$

素因数の和:4457

約数の個数: 24

約数和(自身を含む): 21954816

約数和(自身を除く): 8935299

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 4397, 13191, 30779, 39573, 92337, 206659, 277011, 619977, 1446613, 1859931, 4339839, 13019517]

約数ペア:

[(1, 13019517), (3, 4339839), (7, 1859931), (9, 1446613), (21, 619977), (47, 277011), (63, 206659), (141, 92337), (329, 39573), (423, 30779), (987, 13191), (2961, 4397)]