15001791

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 23808000

約数和(自身を除く): 8806209

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 239, 343, 427, 717, 1029, 1281, 1673, 2989, 5019, 8967, 11711, 14579, 20923, 35133, 43737, 62769, 81977, 102053, 245931, 306159, 714371, 2143113, 5000597, 15001791]

約数ペア:

[(1, 15001791), (3, 5000597), (7, 2143113), (21, 714371), (49, 306159), (61, 245931), (147, 102053), (183, 81977), (239, 62769), (343, 43737), (427, 35133), (717, 20923), (1029, 14579), (1281, 11711), (1673, 8967), (2989, 5019)]