80915373

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1979}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 148262400

約数和(自身を除く): 67347027

約数列:

[1, 3, 7, 9, 11, 21, 33, 59, 63, 77, 99, 177, 231, 413, 531, 649, 693, 1239, 1947, 1979, 3717, 4543, 5841, 5937, 13629, 13853, 17811, 21769, 40887, 41559, 65307, 116761, 124677, 152383, 195921, 350283, 457149, 817327, 1050849, 1284371, 1371447, 2451981, 3853113, 7355943, 8990597, 11559339, 26971791, 80915373]

約数ペア:

[(1, 80915373), (3, 26971791), (7, 11559339), (9, 8990597), (11, 7355943), (21, 3853113), (33, 2451981), (59, 1371447), (63, 1284371), (77, 1050849), (99, 817327), (177, 457149), (231, 350283), (413, 195921), (531, 152383), (649, 124677), (693, 116761), (1239, 65307), (1947, 41559), (1979, 40887), (3717, 21769), (4543, 17811), (5841, 13853), (5937, 13629)]