1212981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 2073600

約数和(自身を除く): 860619

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 89, 177, 231, 267, 413, 623, 649, 979, 1239, 1869, 1947, 2937, 4543, 5251, 6853, 13629, 15753, 20559, 36757, 57761, 110271, 173283, 404327, 1212981]

約数ペア:

[(1, 1212981), (3, 404327), (7, 173283), (11, 110271), (21, 57761), (33, 36757), (59, 20559), (77, 15753), (89, 13629), (177, 6853), (231, 5251), (267, 4543), (413, 2937), (623, 1947), (649, 1869), (979, 1239)]