1285450101

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{51581}}^1$

素因数の和:51674

約数の個数: 32

約数和(自身を含む): 2079786240

約数和(自身を除く): 794336139

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 24921, 51581, 154743, 464229, 670553, 1392687, 2011659, 3662251, 6034977, 10986753, 18104931, 32960259, 47609263, 98880777, 142827789, 428483367, 1285450101]

約数ペア:

[(1, 1285450101), (3, 428483367), (9, 142827789), (13, 98880777), (27, 47609263), (39, 32960259), (71, 18104931), (117, 10986753), (213, 6034977), (351, 3662251), (639, 2011659), (923, 1392687), (1917, 670553), (2769, 464229), (8307, 154743), (24921, 51581)]