16163931

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 25740288

約数和(自身を除く): 9576357

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 293, 497, 777, 879, 1491, 2051, 2627, 6153, 7881, 10841, 18389, 20803, 32523, 55167, 62409, 75887, 145621, 227661, 436863, 769711, 2309133, 5387977, 16163931]

約数ペア:

[(1, 16163931), (3, 5387977), (7, 2309133), (21, 769711), (37, 436863), (71, 227661), (111, 145621), (213, 75887), (259, 62409), (293, 55167), (497, 32523), (777, 20803), (879, 18389), (1491, 10841), (2051, 7881), (2627, 6153)]