28912947

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 45760512

約数和(自身を除く): 16847565

約数列:

[1, 3, 7, 21, 37, 111, 127, 259, 293, 381, 777, 879, 889, 2051, 2667, 4699, 6153, 10841, 14097, 32523, 32893, 37211, 75887, 98679, 111633, 227661, 260477, 781431, 1376807, 4130421, 9637649, 28912947]

約数ペア:

[(1, 28912947), (3, 9637649), (7, 4130421), (21, 1376807), (37, 781431), (111, 260477), (127, 227661), (259, 111633), (293, 98679), (381, 75887), (777, 37211), (879, 32893), (889, 32523), (2051, 14097), (2667, 10841), (4699, 6153)]