16400643

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 27141120

約数和(自身を除く): 10740477

約数列:

[1, 3, 7, 21, 31, 49, 59, 61, 93, 147, 177, 183, 217, 413, 427, 651, 1239, 1281, 1519, 1829, 1891, 2891, 2989, 3599, 4557, 5487, 5673, 8673, 8967, 10797, 12803, 13237, 25193, 38409, 39711, 75579, 89621, 92659, 111569, 176351, 268863, 277977, 334707, 529053, 780983, 2342949, 5466881, 16400643]

約数ペア:

[(1, 16400643), (3, 5466881), (7, 2342949), (21, 780983), (31, 529053), (49, 334707), (59, 277977), (61, 268863), (93, 176351), (147, 111569), (177, 92659), (183, 89621), (217, 75579), (413, 39711), (427, 38409), (651, 25193), (1239, 13237), (1281, 12803), (1519, 10797), (1829, 8967), (1891, 8673), (2891, 5673), (2989, 5487), (3599, 4557)]