208510071

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15299}}^1$

素因数の和:15379

約数の個数: 32

約数和(自身を含む): 352512000

約数和(自身を除く): 144001929

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1947, 4543, 13629, 15299, 45897, 107093, 168289, 321279, 504867, 902641, 1178023, 2707923, 3534069, 6318487, 9929051, 18955461, 29787153, 69503357, 208510071]

約数ペア:

[(1, 208510071), (3, 69503357), (7, 29787153), (11, 18955461), (21, 9929051), (33, 6318487), (59, 3534069), (77, 2707923), (177, 1178023), (231, 902641), (413, 504867), (649, 321279), (1239, 168289), (1947, 107093), (4543, 45897), (13629, 15299)]