28841373

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 49377600

約数和(自身を除く): 20536227

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 269, 297, 361, 513, 627, 807, 1083, 1881, 2421, 2959, 3249, 3971, 5111, 5643, 7263, 8877, 9747, 11913, 15333, 26631, 35739, 45999, 56221, 79893, 97109, 107217, 137997, 168663, 291327, 505989, 873981, 1068199, 1517967, 2621943, 3204597, 9613791, 28841373]

約数ペア:

[(1, 28841373), (3, 9613791), (9, 3204597), (11, 2621943), (19, 1517967), (27, 1068199), (33, 873981), (57, 505989), (99, 291327), (171, 168663), (209, 137997), (269, 107217), (297, 97109), (361, 79893), (513, 56221), (627, 45999), (807, 35739), (1083, 26631), (1881, 15333), (2421, 11913), (2959, 9747), (3249, 8877), (3971, 7263), (5111, 5643)]