71859921

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{11923}}^1$

素因数の和:11981

約数の個数: 24

約数和(自身を含む): 114184224

約数和(自身を除く): 42324303

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 11923, 35769, 83461, 250383, 488843, 584227, 1466529, 1752681, 3421901, 10265703, 23953307, 71859921]

約数ペア:

[(1, 71859921), (3, 23953307), (7, 10265703), (21, 3421901), (41, 1752681), (49, 1466529), (123, 584227), (147, 488843), (287, 250383), (861, 83461), (2009, 35769), (6027, 11923)]