28075677

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 46139904

約数和(自身を除く): 18064227

約数列:

[1, 3, 7, 21, 31, 49, 61, 93, 101, 147, 183, 217, 303, 427, 651, 707, 1281, 1519, 1891, 2121, 2989, 3131, 4557, 4949, 5673, 6161, 8967, 9393, 13237, 14847, 18483, 21917, 39711, 43127, 65751, 92659, 129381, 153419, 190991, 277977, 301889, 460257, 572973, 905667, 1336937, 4010811, 9358559, 28075677]

約数ペア:

[(1, 28075677), (3, 9358559), (7, 4010811), (21, 1336937), (31, 905667), (49, 572973), (61, 460257), (93, 301889), (101, 277977), (147, 190991), (183, 153419), (217, 129381), (303, 92659), (427, 65751), (651, 43127), (707, 39711), (1281, 21917), (1519, 18483), (1891, 14847), (2121, 13237), (2989, 9393), (3131, 8967), (4557, 6161), (4949, 5673)]