28136661

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 15989547

約数列:

[1, 3, 7, 21, 71, 113, 167, 213, 339, 497, 501, 791, 1169, 1491, 2373, 3507, 8023, 11857, 18871, 24069, 35571, 56161, 56613, 82999, 132097, 168483, 248997, 396291, 1339841, 4019523, 9378887, 28136661]

約数ペア:

[(1, 28136661), (3, 9378887), (7, 4019523), (21, 1339841), (71, 396291), (113, 248997), (167, 168483), (213, 132097), (339, 82999), (497, 56613), (501, 56161), (791, 35571), (1169, 24069), (1491, 18871), (2373, 11857), (3507, 8023)]