26973681

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 15419919

約数列:

[1, 3, 7, 21, 71, 79, 213, 229, 237, 497, 553, 687, 1491, 1603, 1659, 4809, 5609, 16259, 16827, 18091, 39263, 48777, 54273, 113813, 117789, 126637, 341439, 379911, 1284461, 3853383, 8991227, 26973681]

約数ペア:

[(1, 26973681), (3, 8991227), (7, 3853383), (21, 1284461), (71, 379911), (79, 341439), (213, 126637), (229, 117789), (237, 113813), (497, 54273), (553, 48777), (687, 39263), (1491, 18091), (1603, 16827), (1659, 16259), (4809, 5609)]