383721891

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{137387}}^1$

素因数の和:137423

約数の個数: 24

約数和(自身を含む): 626489280

約数和(自身を除く): 242767389

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 137387, 412161, 961709, 2610353, 2885127, 6731963, 7831059, 18272471, 20195889, 54817413, 127907297, 383721891]

約数ペア:

[(1, 383721891), (3, 127907297), (7, 54817413), (19, 20195889), (21, 18272471), (49, 7831059), (57, 6731963), (133, 2885127), (147, 2610353), (399, 961709), (931, 412161), (2793, 137387)]