27803251

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 7908749

約数列:

[1, 7, 19, 23, 61, 133, 149, 161, 427, 437, 1043, 1159, 1403, 2831, 3059, 3427, 8113, 9089, 9821, 19817, 23989, 26657, 63623, 65113, 172691, 186599, 209047, 455791, 1208837, 1463329, 3971893, 27803251]

約数ペア:

[(1, 27803251), (7, 3971893), (19, 1463329), (23, 1208837), (61, 455791), (133, 209047), (149, 186599), (161, 172691), (427, 65113), (437, 63623), (1043, 26657), (1159, 23989), (1403, 19817), (2831, 9821), (3059, 9089), (3427, 8113)]