581679357

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20533}}^1$

素因数の和:20633

約数の個数: 32

約数和(自身を含む): 946206720

約数和(自身を除く): 364527363

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 9443, 20533, 28329, 61599, 143731, 390127, 431193, 1170381, 1457843, 2730889, 4373529, 8192667, 10204901, 27699017, 30614703, 83097051, 193893119, 581679357]

約数ペア:

[(1, 581679357), (3, 193893119), (7, 83097051), (19, 30614703), (21, 27699017), (57, 10204901), (71, 8192667), (133, 4373529), (213, 2730889), (399, 1457843), (497, 1170381), (1349, 431193), (1491, 390127), (4047, 143731), (9443, 61599), (20533, 28329)]