212009007

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{1249}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 331200000

約数和(自身を除く): 119190993

約数列:

[1, 3, 7, 21, 59, 137, 177, 411, 413, 959, 1239, 1249, 2877, 3747, 8083, 8743, 24249, 26229, 56581, 73691, 169743, 171113, 221073, 513339, 515837, 1197791, 1547511, 3593373, 10095667, 30287001, 70669669, 212009007]

約数ペア:

[(1, 212009007), (3, 70669669), (7, 30287001), (21, 10095667), (59, 3593373), (137, 1547511), (177, 1197791), (411, 515837), (413, 513339), (959, 221073), (1239, 171113), (1249, 169743), (2877, 73691), (3747, 56581), (8083, 26229), (8743, 24249)]