520016973

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{7919}}^1$

素因数の和:8041

約数の個数: 32

約数和(自身を含む): 821145600

約数和(自身を除く): 301128627

約数列:

[1, 3, 7, 21, 53, 59, 159, 177, 371, 413, 1113, 1239, 3127, 7919, 9381, 21889, 23757, 55433, 65667, 166299, 419707, 467221, 1259121, 1401663, 2937949, 3270547, 8813847, 9811641, 24762713, 74288139, 173338991, 520016973]

約数ペア:

[(1, 520016973), (3, 173338991), (7, 74288139), (21, 24762713), (53, 9811641), (59, 8813847), (159, 3270547), (177, 2937949), (371, 1401663), (413, 1259121), (1113, 467221), (1239, 419707), (3127, 166299), (7919, 65667), (9381, 55433), (21889, 23757)]